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DGGS Preliminary Interpretive Report Publications

This category is intended for the timely release of maps and reports with preliminary interpretation of geology or analytical data. It includes reports by DGGS staff, scientists from other organizations, and contractor reports containing technical interpretations of analytical data. Maps and reports have been reviewed by one or two people for technical content.

PIR 2024-5 Report
Hudson, Travis, 2024, Observations of Pleistocene features in the Bering Strait region of Seward Peninsula, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2024-5, 20 p. https://doi.org/10.14509/31055
PIR 2024-2 Report
Nicolazzo, J.A., Wikstrom Jones, K.M., Salisbury, J.B., and Horen, K.C., 2024, Post-landslide elevation changes detected from multi-temporal lidar surveys of the November 2023 Wrangell, Alaska, landslides: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2024-2, 22 p. https://doi.org/10.14509/31124
PIR 2023-2 Report Geospatial Data
Gavel, M.M., Regan, S.P., Holland, Mark, Wildland, A.D., Wypych, Alicja, Naibert, T.J., and Twelker, Evan, 2023, U-Pb zircon geochronology of bedrock samples collected in the Eagle and Tanacross quadrangles, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2023-2, 38 p. https://doi.org/10.14509/31013
PIR 2022-2 Report Map Geospatial Data
Athey, J.E., Freeman, L.K., Newberry, R.J., Werdon, M.B., Szumigala, D.J., and Lessard, R.R., 2022, Bedrock geologic map of the northern Fairbanks mining district, Circle Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2022-2, 24 p., 1 sheet, scale 1:50,000. https://doi.org/10.14509/30891
PIR 2022-1 Report Map
LePain, D.L., Harun, N.T., and Kirkham, R.A., 2022, Measured stratigraphic section, lower Nanushuk Formation (Albian), Slope Mountain (Marmot syncline), Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2022-1, 21 p., 1 sheet. https://doi.org/10.14509/30871
PIR 2021-6 Report Map
LePain, D.L., Harun, N.T., and Kirkham, R.A., 2021, Measured stratigraphic section, lower Nanushuk Formation (Albian), Arc Mountain anticline, Nanushuk River, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-6, 15 p., 1 sheet. https://doi.org/10.14509/30762
PIR 2021-5 Report Map
LePain, D.L., Kirkham, R.A., and Montayne, Simone, 2021, Measured stratigraphic section, Nanushuk Formation (Albian-Cenomanian), Nanushuk River (Rooftop Ridge), Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-5, 8 p., 1 sheet. https://doi.org/10.14509/30744
PIR 2021-4 Report Geospatial Data
Wildland, A.D., Wypych, Alicja, Regan, S.P., and Holland, Mark, 2021, U-Pb zircon ages from bedrock samples collected in the Tanacross and Nabesna quadrangles, eastern Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-4, 47 p. https://doi.org/10.14509/30732
PIR 2021-3 Report Map Geospatial Data
LePain, D.L., Wartes, M.A., Kirkham, R.A., and Mongrain, J.R., 2021, Measured stratigraphic section in the upper Schrader Bluff Formation (Late Campanian-Maastrichtian?), Ivishak River, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-3, 11 p., 1 sheet. https://doi.org/10.14509/30693
PIR 2021-2 Report Geospatial Data
Twelker, Evan, and O'Sullivan, P.B., 2021, U-Pb detrital zircon geochronology of Cretaceous-Cenozoic sedimentary rocks in the Ladue River-Mount Fairplay area, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-2, 16 p. https://doi.org/10.14509/30683
PIR 2021-1 Report Geospatial Data
Larsen, J.F., Waythomas, C.F., Mulliken, K.M., Izbekov, Pavel, and Cameron, C.E., 2021, Major-element oxide, trace element, and glass compositional analyses from Holocene to historical eruptions from Pavlof Volcano, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2021-1, 20 p. https://doi.org/10.14509/30580
PIR 2020-4 Report Geospatial Data
Harun, N.T., and Wartes, M.A., 2020, Preliminary characterization of two coals from the upper Prince Creek Formation, Sagwon Bluffs, North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2020-4, 13 p. https://doi.org/10.14509/30556
PIR 2020-3 Map
LePain, D.L., and Helmold, K.P., 2020, Facies architecture of a slope incision, Canning Formation, Ivishak River, Alaska: Implications for sediment bypass and deepwater reservoir potential: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2020-3, 1 sheet. https://doi.org/10.14509/30553
PIR 2020-2 Report Geospatial Data
Wypych, Alicja, Jones, J.V., III, and O'Sullivan, Paul, 2020, U-Pb Zircon ages from bedrock samples collected in the Tanacross D-1, and parts of the D-2, C-1, and C-2 quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2020-2, 19 p. https://doi.org/10.14509/30465
PIR 2020-1 Report
Newberry, R.J., 2020, The Mount Fairplay igneous complex: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2020-1, 32 p. https://doi.org/10.14509/30463
PIR 2019-6 Report Map Geospatial Data
Wypych, Alicja, Hubbard, T.D., Naibert, T.J., Athey, J.E., Newberry, R.J., Sicard, K.R., Twelker, Evan, Werdon, M.B., Willingham, A.L., Wyatt, W.C., and Lockett, A.C., 2019, Northeastern Tanacross geologic map, Tanacross D-1, D-2, C-1, and C-2 quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2019-6, 20 p., 1 sheet, scale 1:63,360. https://doi.org/10.14509/30197
PIR 2019-5 Report Geospatial Data
Herriott, T.M., Wartes, M.A., O'Sullivan, P.B., and Gillis, R.J., 2019, Detrital zircon maximum depositional dates for the Jurassic Chinitna and Naknek Formations, lower Cook Inlet, Alaska: A preliminary view: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2019-5, 11 p. https://doi.org/10.14509/30180
PIR 2019-4 Report
Wikstrom Jones, K.M., and Wolken, G.J., 2019, Valdez Glacier ice-dammed lake: June 2018 glacial lake outburst flood: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2019-4, 6 p. https://doi.org/10.14509/30175
PIR 2019-3 Report Map Geospatial Data
Solie, D.N., Werdon, M.B., Freeman, L.K., Newberry, R.J., Szumigala, D.J., Speeter, G.G., and Elliott, B.A., 2019, Bedrock-geologic map, Alaska Highway corridor, Tetlin Junction, Alaska to Canada border: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2019-3, 16 p., 2 sheets, scale 1:63,360. https://doi.org/10.14509/30038
PIR 2019-2 Report Map Geospatial Data
Werdon, M.B., Solie, D.N., Andrew, J.E., Freeman, L.K., Newberry, R.J., Szumigala, D.J., and Elliott, B.A., 2019, Bedrock-geologic map, Alaska Highway corridor, Dot Lake to Tetlin Junction, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2019-2, 14 p., 2 sheets, scale 1:63,360. https://doi.org/10.14509/30037
PIR 2019-1 Report Map Geospatial Data
Werdon, M.B., Solie, D.N., Newberry, R.J., Freeman, L.K., Elliott, B.A., and Lessard, R.R., 2019, Bedrock-geologic map, Alaska Highway corridor, Little Gerstle River to Dot Lake, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2019-1, 12 p., 1 sheet, scale 1:63,360. https://doi.org/10.14509/30036
PIR 2018-3 Report
Gillis, R.J., Fitzgerald, P.G., Ridgway, K.D., Keough, B.M., Benowitz, J.A., and Allen, W.K., 2019, Overview of the new 1:25,000-scale geologic mapping of the McCallum-Slate Creek fault system, eastern Alaska Range, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2018-3, 10 p. https://doi.org/10.14509/30136
PIR 2018-2 Report Geospatial Data
Harun, N.T., and Hendricks, M.D., 2018, Jarvis Creek coal report: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2018-2, 11 p. https://doi.org/10.14509/30064
PIR 2017-5 Report
Herriott, T.M., and Wartes, M.A., 2017, Discovery of a 35-meter-thick, oil-stained sandstone interval in outcrop of the Tonnie Siltstone Member, Chinitna Formation, lower Cook Inlet, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2017-5, 12 p. https://doi.org/10.14509/29837
PIR 2017-4 Report
Wolken, G.J., and Wikstrom Jones, K.M., 2017, Valdez Glacier ice-dammed lake: June 2017 glacial lake outburst flood: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2017-4, 5 p. https://doi.org/10.14509/29743
PIR 2017-3 Report Map Geospatial Data
Sicard, K.R., Naibert, T.J., Hubbard, T.D., Twelker, Evan, Wypych, Alicja, Werdon, M.B., Willingham, A.L., Gillis, R.J., Lande, L.L., and Newberry, R.J., 2017, Geologic map of the Tok River area, Tanacross A-5 and A-6 quadrangles, eastern Alaska Range, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2017-3, 15 p., 1 sheet, scale 1:63,360. https://doi.org/10.14509/29722
PIR 2017-2 Report Map
Fuchs, W.A., 2019, Geologic map of the Castle Mountain-Caribou fault system, Talkeetna Mountains, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2017-2, 57 p., 2 sheets, scale 1:24,000. https://doi.org/10.14509/29715
PIR 2017-1 Report
Hubbard, T.D., 2017, Slope instability drilling program, Tonsina Hill, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2017-1, 36 p. https://doi.org/10.14509/29710
PIR 2016-6 Report
LePain, D.L., and Stanley, R.G., 2017, Reconnaissance sedimentology of selected Tertiary exposures in the upland region bordering the Yukon Flats basin, east-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-6, 14 p. https://doi.org/10.14509/29700
PIR 2016-5 Report
Barker, J.C., 2016, Investigation of rare-earth elements and zirconium in the northern Windy Fork peralkaline pluton, west-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-5, 17 p. https://doi.org/10.14509/29667
PIR 2016-4 Report
Barker, J.C., Kelley, J.J., and Naidu, A.S., 2016, Heavy mineral concentration in a marine sediment transport conduit, Bering Strait, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-4, 24 p. https://doi.org/10.14509/29666
PIR 2016-3 Report Geospatial Data
Freeman, L.K., Newberry, R.J., Werdon, M.B., Szumigala, D.J., Andrew, J.E., and Athey, J.E., 2016, Preliminary bedrock geologic map data for the eastern Bonnifield mining district, Fairbanks and Healy quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-3, 6 p. https://doi.org/10.14509/29661
PIR 2016-2 Report
Twelker, Evan, Freeman, L.K., Sicard, K.R., and Busk, A.C., 2016, Preliminary report on mineral occurrences in the Tok River area, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-2, 7 p. https://doi.org/10.14509/29605
PIR 2016-1-10 Report
Betka, P.M., and Gillis, R.J., 2016, Observations on the Bruin Bay fault system between Chinitna and Tuxedni bays, Cook Inlet, Alaska, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-10, p. 73-78. https://doi.org/10.14509/29544
PIR 2016-1-9 Report
Rosenthal, J.L., Betka, P.M., Gillis, R.J., and Nadin, Elisabeth, 2016, Fracture intensity in the Paveloff Siltstone Member (Chinitna Formation) and Pomeroy Arkose Member (Naknek Formation), Iniskin Peninsula, Alaska: Implications for hydrocarbon migration in Cook Inlet basin, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-9, p. 67-72. https://doi.org/10.14509/29543
PIR 2016-1-8 Report
Wartes, M.A., Gillis, R.J., and Harun, N.T., 2016, Revised mapping of the Upper Jurassic Naknek Formation in a footwall syncline associated with the Bruin Bay fault system, Chinitna Bay region, western Cook Inlet, Alaska, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-8, p. 59-66. https://doi.org/10.14509/29542
PIR 2016-1-7 Report
Gillis, R.J., 2016, Discovery of a new sandstone with residual oil in Maastrichtian(?) strata at Shelter Creek, lower Cook Inlet, Alaska, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-7, p. 51-58. https://doi.org/10.14509/29541
PIR 2016-1-6 Report
Herriott, T.M., Wartes, M.A., and Decker, P.L., 2016, Record of a Late Jurassic deep-water canyon at Chisik Island, south-central Alaska: Further delineation of Naknek Formation depositional systems in lower Cook Inlet, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-6, p. 45-49. https://doi.org/10.14509/29540
PIR 2016-1-5 Report
Herriott, T.M., Wartes, M.A., Decker, P.L., and Harun, N.T., 2016, Preliminary stratigraphic architecture of the Middle Jurassic Paveloff Siltstone Member, Chinitna Formation, Tuxedni Bay area, Cook Inlet, Alaska, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-5, p. 39-44. https://doi.org/10.14509/29539
PIR 2016-1-4 Report
Helmold, K.P., LePain, D.L., and Stanley, R.G., 2016, Sedimentary petrology and reservoir quality of the Middle Jurassic Red Glacier Formation, Cook Inlet forearc basin: Initial impressions, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-4, p. 33-37. https://doi.org/10.14509/29537
PIR 2016-1-3 Report
LePain, D.L., Stanley, R.G., and Helmold, K.P., 2016, Reconnaissance stratigraphy of the Red Glacier Formation (Middle Jurassic) near Hungryman Creek, Cook Inlet basin, Alaska, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-3, p. 21-31. https://doi.org/10.14509/29536
PIR 2016-1-2 Report
LePain, D.L., Stanley, R.G., and Helmold, K.P., 2016, Nonmarine facies in the Late Triassic(?) to Early Jurassic Horn Mountain Tuff Member of the Talkeetna Formation, Horn Mountain, lower Cook Inlet basin, Alaska, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-2, p. 9-20. https://doi.org/10.14509/29535
PIR 2016-1-1 Report
Herriott, T.M., 2016, Introduction to petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska, in Herriott, T.M., ed., Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1-1, p. 1-8. https://doi.org/10.14509/29534
PIR 2016-1 Report
Herriott, T.M., ed., 2016, Petroleum-related geologic studies in lower Cook Inlet during 2015, Iniskin-Tuxedni region, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2016-1, 78 p. https://doi.org/10.14509/29532
PIR 2015-7 Report
Wartes, M.A., and Herriott, T.M., 2015, Oil-stained sandstone in the Middle Jurassic lower Paveloff Siltstone Member of the Chinitna Formation: Exploring the potential role of facies variations in controlling diagenesis and reservoir quality in western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-7, 9 p. https://doi.org/10.14509/29533
PIR 2015-6 Report Map Geospatial Data
Twelker, Evan, Hubbard, T.D., Wypych, Alicja, Sicard, K.R., Newberry, R.J., Reioux, D.A., Freeman, L.K., and Lande, L.L., 2015, Geologic map of the Talkeetna Mountains C-4 Quadrangle and adjoining areas, central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-6, 16 p., 1 sheet, scale 1:50,000. https://doi.org/10.14509/29470
PIR 2015-5-9 Report
Herriott, T.M., Decker, P.L., and Wartes, M.A., 2015, Evidence of a submarine canyon in the Snug Harbor Siltstone and Pomeroy Arkose Members, Naknek Formation, south-central Alaska: Implications for the distribution of coarse-grained sediment in Upper Jurassic strata of Cook Inlet, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-9, p. 57-62. https://doi.org/10.14509/29464
PIR 2015-5-8 Report
Wartes, M.A., Decker, P.L., Herriott, T.M., and Helmold, K.P., 2015, Preliminary facies analysis of the lower sandstone member of the Upper Jurassic Naknek Formation, northern Chinitna Bay, Alaska, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-8, p. 49-55. https://doi.org/10.14509/29463
PIR 2015-5-7 Report
Helmold, K.P., and Stanley, R.G., 2015, Petrology and reservoir quality of the Gaikema Sandstone: Initial impressions, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-7, p. 43-48. https://doi.org/10.14509/29462
PIR 2015-5-6 Report
Stanley, R.G., Helmold, K.P., and LePain, D.L., 2015, Storm-influenced deltaic deposits of the Middle Jurassic Gaikema Sandstone in a measured section of the northern Iniskin Peninsula, Cook Inlet basin, Alaska, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-6, p. 29-42. https://doi.org/10.14509/29461
PIR 2015-5-5 Report
LePain, D.L., and Stanley, R.G., 2015, Stratigraphic reconnaissance of the Middle Jurassic Red Glacier Formation, Tuxedni Group, at Red Glacier, Cook Inlet, Alaska, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-5, p. 23-28. https://doi.org/10.14509/29460
PIR 2015-5-4 Report
Bull, K.F., 2015, Preliminary observations: Continued facies analysis of the Lower Jurassic Talkeetna Formation, north Chinitna Bay, Alaska, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-4, p. 15-22. https://doi.org/10.14509/29459
PIR 2015-5-3 Report
Rosenthal, J.L., Betka, P.M., Gillis, R.J., and Nadin, Elisabeth, 2015, Preliminary investigation of fracture populations in Mesozoic strata of the Cook Inlet forearc basin: Iniskin Peninsula and Lake Clark National Park, Alaska, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-3, p. 9-13. https://doi.org/10.14509/29458
PIR 2015-5-2 Report
Betka, P.M., and Gillis, R.J., 2015, The superposition of strike-slip and reverse-slip faults in the Bruin Bay fault system, Ursus Head, lower Cook Inlet, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-2, p. 5-8. https://doi.org/10.14509/29457
PIR 2015-5-1 Report
Wartes, M.A., 2015, An introduction to 2014 field studies in western Cook Inlet, Alaska, in Wartes, M.A., ed., Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5-1, p. 1-4. https://doi.org/10.14509/29456
PIR 2015-5 Report
Wartes, M.A., ed., 2015, Energy-related studies during the 2014 field season, western Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-5, 62 p. https://doi.org/10.14509/29455
PIR 2015-4 Report Map
Flaig, P.P., and van der Kolk, D.A., 2015, Depositional environments of the Prince Creek Formation along the east side of the Toolik River, Sagavanirktok Quadrangle, North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-4, 17 p., 1 sheet. https://doi.org/10.14509/29407
PIR 2015-3-5 Report
Gillis, R.J., Herriott, T.M., and Tsigonis, R.M., 2015, Preliminary results of reconnaissance structural studies of the western Susitna basin, south-central Alaska, in Gillis, R.J., ed., Overview of 2014 energy-focused studies in Susitna basin, south-central Alaska, and preliminary results: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-3-5, p. 25-34. https://doi.org/10.14509/29469
PIR 2015-3-4 Report
Harun, N.T., LePain, D.L., Tsigonis, R.M., Helmold, K.P., and Stanley, R.G., 2015, Reconnaissance coal study in the Susitna basin, 2014, in Gillis, R.J., ed., Overview of 2014 energy-focused studies in Susitna basin, south-central Alaska, and preliminary results: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-3-4, p. 19-24. https://doi.org/10.14509/29468
PIR 2015-3-3 Report
Helmold, K.P., and LePain, D.L., 2015, Petrology and reservoir quality of sandstones from the Kahiltna Assemblage and Yenlo Hills graywacke: Initial impressions, in Gillis, R.J., ed., Overview of 2014 energy-focused studies in Susitna basin, south-central Alaska, and preliminary results: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-3-3, p. 11-18. https://doi.org/10.14509/29467
PIR 2015-3-2 Report
LePain, D.L., Stanley, R.G., Harun, N.T., Helmold, K.P., and Tsigonis, R.M., 2015, Reconnaissance stratigraphic studies in the Susitna basin, Alaska, during the 2014 field season, in Gillis, R.J., ed., Overview of 2014 energy-focused studies in Susitna basin, south-central Alaska, and preliminary results: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-3-2, p. 5-10. https://doi.org/10.14509/29466
PIR 2015-3-1 Report
Gillis, R.J., 2015, Overview of 2014 energy-focused field studies in Susitna basin, south-central Alaska, and preliminary results, in Gillis, R.J., ed., Overview of 2014 energy-focused studies in Susitna basin, south-central Alaska, and preliminary results: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-3-1, p. 1-4. https://doi.org/10.14509/29465
PIR 2015-3 Report
Gillis, R.J., ed., 2015, Overview of 2014 energy-focused studies in Susitna basin, south-central Alaska, and preliminary results: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-3, 34 p. https://doi.org/10.14509/29408
PIR 2015-2 Report
Dumoulin, J.A., and Whalen, M.T., 2015, Reconnaissance investigation of the Lisburne Group in the Cobblestone Creek area, Chandler Lake Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-2, 18 p. https://doi.org/10.14509/29403
PIR 2015-1 Report
van der Kolk, D.A., Whalen, M.T., and Wartes, M.A., 2015, Source-rock potential of the Lower Cretaceous Pebble shale unit, northeastern Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2015-1, 37 p. https://doi.org/10.14509/29401
PIR 2014-5 Report
Betka, P.M., and Gillis, R.J., 2014, Preliminary characterization of brittle deformation on the Iniskin Peninsula: Implications for the kinematic history of the Bruin Bay fault system, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-5, 14 p. https://doi.org/10.14509/29130
PIR 2014-4 Report
Kinsman, N.E.M., and Gould, A.I., 2014, Contemporary shoreline retreat rates at Meshik in Port Heiden, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-4, 21 p. https://doi.org/10.14509/27321
PIR 2014-3 Report
Herriott, T.M., and Wartes, M.A., 2014, Geologic-mapping-based observations of the Middle Jurassic Chinitna Formation and Upper Jurassic Naknek Formation in the Tilted Hills, Iniskin Peninsula, Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-3, 23 p. https://doi.org/10.14509/27305
PIR 2014-2-6 Report
Wartes, M.A., and Herriott, T.M., 2014, Discovery of oil-stained sandstone within the Chinitna Formation, northern Iniskin Peninsula, in Gillis, R.J., ed., Cook Inlet program 2013 field studies: Observations and preliminary interpretations from new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-2-6, p. 29-31. https://doi.org/10.14509/27311
PIR 2014-2-5 Report
Wartes, M.A., and Herriott, T.M., 2014, A new occurrence of oil-stained rocks within a small fault zone involving the Middle Jurassic Cynthia Falls Formation, Tuxedni Group, northern Iniskin Peninsula, in Gillis, R.J., ed., Cook Inlet program 2013 field studies: Observations and preliminary interpretations from new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-2-5, p. 23-27. https://doi.org/10.14509/27310
PIR 2014-2-4 Report
Betka, P.M., and Gillis, R.J., 2014, Preliminary kinematic evidence for right-lateral slip along a system of steeply-dipping faults in the hanging wall of the Bruin Bay Fault, Iniskin Peninsula, lower Cook Inlet, Alaska, in Gillis, R.J., ed., Cook Inlet program 2013 field studies: Observations and preliminary interpretations from new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-2-4, p. 17-22. https://doi.org/10.14509/27309
PIR 2014-2-3 Report
Bull, K.F., 2014, Preliminary observations: A facies architecture study of the Lower Jurassic Talkeetna Formation, Iniskin Peninsula, Alaska, in Gillis, R.J., ed., Cook Inlet program 2013 field studies: Observations and preliminary interpretations from new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-2-3, p. 13-16. https://doi.org/10.14509/27308
PIR 2014-2-2 Report
Herriott, T.M., and Wartes, M.A., 2014, Brief overview of geologic mapping of the Middle Jurassic Chinitna Formation and Upper Jurassic Naknek Formation in the Tilted Hills, Iniskin Peninsula, Cook Inlet, Alaska, in Gillis, R.J., ed., Cook Inlet program 2013 field studies: Observations and preliminary interpretations from new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-2-2, p. 7-11. https://doi.org/10.14509/27307
PIR 2014-2-1 Report
Gillis, R.J., Wartes, M.A., Herriott, T.M., Bull, K.F., Decker, P.L., and Betka, P.M., 2014, Overview of new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska, in Gillis, R.J., ed., Cook Inlet program 2013 field studies: Observations and preliminary interpretations from new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-2-1, p. 3-6. https://doi.org/10.14509/27306
PIR 2014-2 Report
Gillis, R.J., ed., 2014, Cook Inlet program 2013 field studies: Observations and preliminary interpretations from new 1:63,360-scale geologic mapping of the Iniskin Peninsula, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-2, 31 p. https://doi.org/10.14509/27303
PIR 2014-1 Report
Wolken, G.J., and Balazs, M.S., 2014, Inventory and preliminary assessment of geologic hazards in the Passage Canal-Portage Valley area, south-central Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2014-1, 15 p. https://doi.org/10.14509/27302
PIR 2013-6 Report Geospatial Data
Koehler, R.D., Reger, R.D., Sicard, K.R., and Spangler, E.R., 2013, Yukon River bridge landslide: Preliminary geologic and geotechnical evaluation: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-6, 69 p. https://doi.org/10.14509/25642
PIR 2013-5 Report Geospatial Data
Helmold, K.P., LePain, D.L., Wilson, M.D., and Peterson, C.S., 2013, Petrology and reservoir potential of Tertiary and Mesozoic sandstones, Cook Inlet, Alaska: A preliminary analysis of outcrop samples collected during 2007-2010 field seasons: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-5, 34 p. https://doi.org/10.14509/25035
PIR 2013-4 Report
Gillis, R.J., Stanley, R.G., LePain, D.L., Mauel, D.J., Herriott, T.M., Helmold, K.P., Peterson, C.S., Wartes, M.A., and Shellenbaum, D.P., 2013, Status of a reconnaissance field study of the Susitna basin, 2011: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-4, 8 p. https://doi.org/10.14509/25015
PIR 2013-3 Report
Kinsman, N.E.M., DeRaps, M.R., and Smith, J.R., 2013, Preliminary evaluation of coastal geomorphology and geohazards on 'Kigiqtam Iglua', an island northeast of Shishmaref, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-3, 15 p. https://doi.org/10.14509/24955
PIR 2013-2 Report
Wartes, M.A., Gillis, R.J., Herriott, T.M., Stanley, R.G., Helmold, K.P., Peterson, C.S., and Benowitz, J.A., 2013, Summary of 2012 reconnaissance field studies related to the petroleum geology of the Nenana basin, interior Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-2, 13 p. https://doi.org/10.14509/24880
PIR 2013-1 Report
Gillis, R.J., ed., 2013, Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1, 48 p. https://doi.org/10.14509/24824
PIR 2013-1A Report
Gillis, R.J., 2013, Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1A, p. 1-4. https://doi.org/10.14509/24844
PIR 2013-1B Report
Stanley, R.G., Herriott, T.M., LePain, D.L., Helmold, K.P., and Peterson, C.S., 2013, Reconnaissance studies of potential petroleum source rocks in the Middle Jurassic Tuxedni Group near Red Glacier, eastern slope of Iliamna Volcano, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1B, p. 5-9. https://doi.org/10.14509/24845
PIR 2013-1C Report
Helmold, K.P., 2013, Reservoir quality of sandstones in the Naknek and Kaguyak Formations: Field observations, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1C, p. 11-12. https://doi.org/10.14509/24846
PIR 2013-1D Report
Gillis, R.J., Maley, M.R., Frohman, R.A., and Peterson, C.S., 2013, Fracture studies in Upper Cretaceous and Upper Jurassic strata on the upper Alaska Peninsula and lower Cook Inlet, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1D, p. 13-17. https://doi.org/10.14509/24847
PIR 2013-1E Report
Stanley, R.G., Herriott, T.M., Helmold, K.P., Gillis, R.J., and Lillis, P.G., 2013, Hydrocarbon-bearing sandstone in the Upper Jurassic Naknek Formation on the south shore of Kamishak Bay, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1E, p. 19-23. https://doi.org/10.14509/24848
PIR 2013-1F Report
Wartes, M.A., Decker, P.L., Stanley, R.G., Herriott, T.M., Helmold, K.P., and Gillis, R.J., 2013, Preliminary stratigraphy and facies analysis of the Upper Cretaceous Kaguyak Formation, including a brief summary of newly discovered oil stain, upper Alaska Peninsula, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1F, p. 25-32. https://doi.org/10.14509/24849
PIR 2013-1G Report
Gillis, R.J., Swenson, R.F., Wartes, M.A., and Frohman, R.A., 2013, Reconnaissance investigations of the Bruin Bay fault system along the western margin of lower Cook Inlet and upper Alaska Peninsula, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1G, p. 33-37. https://doi.org/10.14509/24850
PIR 2013-1H Report
Wartes, M.A., Herriott, T.M., Helmold, K.P., and Gillis, R.J., 2013, Preliminary stratigraphic interpretation of the Naknek Formation: Evidence for Late Jurassic activity on the Bruin Bay fault, Iniskin Peninsula, lower Cook Inlet, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1H, p. 39-46. https://doi.org/10.14509/24851
PIR 2013-1I Report
Gillis, R.J., 2013, Acknowledgments and references cited, in Gillis, R.J., ed., Overview of 2012 field studies: Upper Alaska Peninsula and west side of lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2013-1I, p. 47-48. https://doi.org/10.14509/24852
PIR 2012-2 Report
Koehler, R.D., and Carver, G.A., 2012, Active and potentially active faults along the Alaska Highway corridor, Tetlin Junction to the Canada border: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2012-2, 23 p. https://doi.org/10.14509/23923
PIR 2012-1A Report Map Geospatial Data
Reger, R.D., Hubbard, T.D., and Gallagher, P.E., 2012, Surficial geology of the Alaska Highway corridor, Tetlin Junction to Canada border, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2012-1A, 25 p., 2 sheets, scale 1:63,360. https://doi.org/10.14509/23443
PIR 2012-1B Map Geospatial Data
Hubbard, T.D., Reger, R.D., and Gallagher, P.E., 2013, Engineering - geologic map of the Alaska Highway corridor, Tetlin Junction to Canada border, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2012-1B, 2 sheets, scale 1:63,360. https://doi.org/10.14509/24624
PIR 2012-1C Report Map Geospatial Data
Reger, R.D., Hubbard, T.D., and Gallagher, P.E., 2012, Reconnaissance interpretation of 1978-1981 permafrost, Alaska Highway corridor, Tetlin Junction to Canada border, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2012-1C, 27 p., 2 sheets, scale 1:63,360. https://doi.org/10.14509/23444
PIR 2011-1 Report
Koehler, R.D., and Reger, R.D., 2011, Reconnaissance evaluation of the Lake Clark fault, Tyonek area, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2011-1, 8 p. https://doi.org/10.14509/22221
PIR 2010-1 Report Geospatial Data
Carver, G.A., Bemis, S.P., Solie, D.N., Castonguay, S.R., and Obermiller, K.E., 2010, Active and potentially active faults in or near the Alaska Highway corridor, Dot Lake to Tetlin Junction, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2010-1, 42 p. https://doi.org/10.14509/21121
PIR 2009-8 Report
LePain, D.L., ed., 2009, Preliminary results of recent geologic investigations in the Homer-Kachemak Bay area, Cook Inlet basin: Progress during the 2006-2007 field season: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-8, 187 p. https://doi.org/10.14509/20161
PIR 2009-8A Report Geospatial Data
LePain, D.L., Wartes, M.A., McCarthy, P.J., Stanley, R.G., Silliphant, L.J., Peterson, Shaun, Shellenbaum, D.P., Helmold, K.P., Decker, P.L., Mongrain, J.R., and Gillis, R.J., 2009, Facies associations, sand body geometry, and depositional systems in Late Oligocene-Pliocene Strata, southern Kenai Peninsula, Cook Inlet, Alaska: Report on progress during the 2006-07 field season, in LePain, D.L., ed., Preliminary results of recent geologic investigations in the Homer-Kachemak Bay area, Cook Inlet basin: Progress during the 2006-2007 field season: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-8A, p. 1-97. https://doi.org/10.14509/20162
PIR 2009-8B Report
Finzel, E.S., Ridgway, K.D., and LePain, D.L., 2009, Sedimentology of an Oligocene-Miocene incised paleovalley, Tyonek Formation, Cook Inlet basin, Alaska, in LePain, D.L., ed., Preliminary results of recent geologic investigations in the Homer-Kachemak Bay area, Cook Inlet basin: Progress during the 2006-2007 field season: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-8B, p. 99-107. https://doi.org/10.14509/20163
PIR 2009-8C Report
Blodgett, R.B., 2009, Report on day trip (5/16/07) to visit Mesozoic rocks exposed in Port Graham and near Seldovia, southern Kenai Peninsula, in LePain, D.L., ed., Preliminary results of recent geologic investigations in the Homer-Kachemak Bay area, Cook Inlet basin: Progress during the 2006-2007 field season: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-8C, p. 109-116. https://doi.org/10.14509/20164
PIR 2009-8D Report Geospatial Data
Loveland, Andrea, 2009, Mercury injection capillary pressure results from outcrop samples in the Homer area of Cook Inlet, in LePain, D.L., ed., Preliminary results of recent geologic investigations in the Homer-Kachemak Bay area, Cook Inlet basin: Progress during the 2006-2007 field season: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-8D, p. 117-187. https://doi.org/10.14509/20165
PIR 2009-7 Map Geospatial Data
Harris, E.E., Delaney, P.R., Mull, C.G., LePain, D.L., and Burns, P.A.C., 2009, Geologic map of the Kanayut River area, Chandler Lake Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-7, 1 sheet, scale 1:63,360. https://doi.org/10.14509/19781
PIR 2009-6A Report Map Geospatial Data
Reger, R.D., Hubbard, T.D., and Carver, G.A., 2011, Surficial geology of Alaska Highway corridor, Robertson River to Tetlin Junction, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-6A, 53 p., 4 sheets, scale 1:63,360. https://doi.org/10.14509/19741
PIR 2009-6B Map Geospatial Data
Hubbard, T.D., and Reger, R.D., 2010, Engineering - geologic map of the Alaska Highway corridor, Robertson River to Tetlin Junction, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-6B, 4 sheets, scale 1:63,360. https://doi.org/10.14509/19742
PIR 2009-6C Report Map Geospatial Data
Reger, R.D., and Hubbard, T.D., 2010, Reconnaissance interpretation of 1978-1983 permafrost, Alaska Highway corridor, Robertson River to Tetlin Junction, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-6C, 13 p., 4 sheets, scale 1:63,360. https://doi.org/10.14509/19743
PIR 2009-5 Report Map Geospatial Data
Mull, C.G., Harris, E.E., Delaney, P.R., and Swenson, R.F., 2009, Geology of the Cobblestone Creek-May Creek area, east-central Brooks Range Foothills, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-5, 40 p., 1 sheet, scale 1:63,360. https://doi.org/10.14509/19661
PIR 2009-4 Report
Finzel, E.S., Gillis, R.J., Ridgway, K.D., and LePain, D.L., 2009, Preliminary evaluation of basin margin exhumation and provenance of Cenozoic strata, Chuitna and Beluga rivers area, Cook Inlet forearc basin, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-4, 16 p. https://doi.org/10.14509/19641
PIR 2009-3 Report
Gillis, R.J., LePain, D.L., Ridgway, K.D., and Finzel, E.S., 2009, A reconnaissance view of an unnamed fault near Capps Glacier, northwestern Cook Inlet basin, and its potential as a regional-scale, basin-controlling structure: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-3, 9 p. https://doi.org/10.14509/19503
PIR 2009-2 Report
Reger, R.D., 2009, Reinterpretation of the Kaloa deposits near Granite Point, northwestern Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2009-2, 8 p. https://doi.org/10.14509/18241
PIR 2008-3A Report Map Geospatial Data
Reger, R.D., Stevens, D.S.P., and Solie, D.N., 2008, Surficial-geologic map, Delta Junction to Dot Lake, Alaska Highway corridor: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-3A, 48 p., 2 sheets, scale 1:63,360. https://doi.org/10.14509/17961
PIR 2008-3B Map Geospatial Data
Reger, R.D., and Solie, D.N., 2008, Engineering - geologic map, Alaska Highway corridor, Delta Junction to Dot Lake, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-3B, 2 sheets, scale 1:63,360. https://doi.org/10.14509/17981
PIR 2008-3C Report Map Geospatial Data
Reger, R.D., and Solie, D.N., 2008, Reconnaissance interpretation of permafrost, Alaska Highway corridor, Delta Junction to Dot Lake, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-3C, 10 p., 2 sheets, scale 1:63,360. https://doi.org/10.14509/17621
PIR 2008-3D Report Geospatial Data
Carver, G.A., Bemis, S.P., Solie, D.N., and Obermiller, K.E., 2008, Active and potentially active faults in or near the Alaska Highway corridor, Delta Junction to Dot Lake, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-3D, 32 p. https://doi.org/10.14509/17901
PIR 2008-2 Report
Blodgett, R.B., Finzel, E.S., Reifenstuhl, R.R., Clautice, K.H., Ridgway, K.D., and Gillis, R.J., 2008, Jurassic through Pliocene age megafossil samples collected in 2005 by the Alaska Divison of Geological & Geophysical Surveys from the Bristol Bay-Port Moller area, Alaska Peninsula: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-2, 12 p. https://doi.org/10.14509/16501
PIR 2008-1 Report
Wartes, M.A., and Decker, P.L., eds., 2008, Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1, 206 p. https://doi.org/10.14509/16083
PIR 2008-1A Report Map
Wartes, M.A., and Decker, P.L., 2008, Overview of recent geologic field investigations, North Slope and Brooks Range foothills, Alaska, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1A, p. 1-10, 1 sheet. https://doi.org/10.14509/16085
PIR 2008-1B Report Map
Wartes, M.A., 2008, Measured section and facies analysis of the Lower Cretaceous Fortress Mountain Formation, Atigun syncline, northern Alaska, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1B, p. 11-24, 1 sheet. https://doi.org/10.14509/16086
PIR 2008-1C Report
Wartes, M.A., 2008, Evaluation of stratigraphic continuity between the Fortress Mountain and Nanushuk Formations in the central Brooks Range foothills--Are they partly correlative?, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1C, p. 25-39. https://doi.org/10.14509/16087
PIR 2008-1D Report Map
LePain, D.L., Decker, P.L., and Wartes, M.A., 2008, Measured sections and preliminary interpretations of the Nanushuk Formation exposed along the Colville River near the confluences with the Awuna and Killik rivers, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1D, p. 41-45, 4 sheets. https://doi.org/10.14509/16088
PIR 2008-1E Report Geospatial Data
Decker, P.L., and Wartes, M.A., 2008, Geochemistry of the Aupuk gas seep along the Colville River--Evidence for a thermogenic origin, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1E, p. 47-54. https://doi.org/10.14509/16084
PIR 2008-1F Report Map
Decker, P.L., Wartes, M.A., Wallace, W.K., Houseknecht, D.W., Schenk, C.J., Gillis, R.J., and Mongrain, J.R., 2008, Stratigraphic and structural investigations in the Ivishak River and Gilead Creek areas: Progress during 2007, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1F, p. 55-83, 1 sheet. https://doi.org/10.14509/16089
PIR 2008-1G Report
LePain, D.L., Kirkham, R.A., Gillis, R.J., and Mongrain, J.R., 2008, Turonian-Campanian strata east of the Trans-Alaska Pipeline corridor, North Slope foothills, Alaska: Progress during the 2001-02 and 2007 field seasons, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2008-1G, p. 85-134. https://doi.org/10.14509/16090
PIR 2007-2 Report Map
Decker, P.L., 2007, Brookian sequence stratigraphic correlations, Umiat Field to Milne Point Field, west-central North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2007-2, 19 p., 1 sheet. https://doi.org/10.14509/15758
PIR 2007-1 Map Geospatial Data
Peapples, P.R., Wallace, W.K., Wartes, M.A., Swenson, R.F., Mull, C.G., Dumoulin, J.A., Harris, E.E., Finzel, E.S., Reifenstuhl, R.R., and Loveland, A.M., 2007, Geologic map of the Siksikpuk River area, Chandler Lake Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2007-1, 1 sheet, scale 1:63,360. https://doi.org/10.14509/15757
PIR 2006-1 Report
Barker, J.C., 2006, Evidence for geothermal tungsten & germanium mineralization in Eocene coal and associated sediments, Fort Hamlin Hills, area, interior, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2006-1, 24 p. https://doi.org/10.14509/14862
PIR 2005-7 Report Map
Decker, P.L., Finzel, E.S., Ridgway, K.D., Reifenstuhl, R.R., and Blodgett, R.B., 2005, Preliminary summary of the 2005 field season: Port Moller, Herendeen Bay, and Dillingham areas, Bristol Bay basin, Alaska Peninsula: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2005-7, 55 p., 2 sheets. https://doi.org/10.14509/7190
PIR 2005-6 Report Map Geospatial Data
Blodgett, R.B., and Clautice, K.H., 2005, Oil and gas seeps of the Puale Bay - Becharof Lake - Wide Bay region, northern Alaska Peninsula: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2005-6, 13 p., 1 sheet, scale 1:250,000. https://doi.org/10.14509/7189
PIR 2005-5 Report
Meyer, J.F., 2005, Principal facts for gravity data collected in the northern Susitna basin area, southcentral Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2005-5, 12 p. https://doi.org/10.14509/7186
PIR 2005-4 Report
Finzel, E.S., Reifenstuhl, R.R., Decker, P.L., and Ridgway, K.D., 2005, Sedimentology, stratigraphy, and hydrocarbon reservoir-source rock potential, using surface and subsurface data, of Tertiary and Mesozoic strata, Bristol Bay basin and Alaska Peninsula: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2005-4, 69 p. https://doi.org/10.14509/7184
PIR 2005-3 Report
White, J.G., 2005, Preliminary investigation of the Lisburne Group, upper Nanushuk River region, central Brooks Range, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2005-3, 23 p. https://doi.org/10.14509/7164
PIR 2005-2 Report
Finzel, E.S., and McCarthy, P.J., 2005, Architectural analysis of fluvial conglomerate in the Nanushuk Formation, Brooks Range Foothills, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2005-2, 18 p. https://doi.org/10.14509/7021
PIR 2005-1 Report Geospatial Data
Reifenstuhl, R.R., Bailey, R.D., and Finzel, E.S., 2005, Bristol Bay and Alaska Peninsula 2004: Fieldwork and sample analyses compilation report: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2005-1, 20 p. https://doi.org/10.14509/7001
PIR 2004-5 Report
Reifenstuhl, R.R., and Loveland, Andrea, 2004, Reservoir characterization study: porosity and permeability of 148 Tertiary to Mississippian age outcrop samples, east-central Brooks Range Foothills and North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-5, 21 p. https://doi.org/10.14509/3312
PIR 2004-4A
DGGS, 2005, Report not published: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-4A. https://doi.org/10.14509/7185
PIR 2004-4B Report
Peapples, P.R., 2004, Summary of coalbed methane studies, Delta Junction area, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-4B, 11 p. https://doi.org/10.14509/6970
PIR 2004-3 Report
Athey, J.E., and Craw, P.A., 2004, Geologic maps of the Livengood SW C-3 and SE C-4 quadrangles, Tolovana mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-3, 24 p. https://doi.org/10.14509/3308
PIR 2004-3A Map
Athey, J.E., Werdon, M.B., Newberry, R.J., Szumigala, D.J., Craw, P.A., and Hicks, S.A., 2004, Geologic map of the Livengood SW C-3 and SE C-4 quadrangles, Tolovana mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-3A, 1 sheet, scale 1:50,000. https://doi.org/10.14509/3309
PIR 2004-3B Map Geospatial Data
Athey, J.E., Szumigala, D.J., Newberry, R.J., Werdon, M.B., and Hicks, S.A., 2004, Bedrock geologic map of the Livengood SW C-3 and SE C-4 quadrangles, Tolovana mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-3B, 1 sheet, scale 1:50,000. https://doi.org/10.14509/3310
PIR 2004-2 Report
Elder, W.P., and Loveland, Andrea, 2004, 2003 Megafossil report from the Chandler Lake Quadrangle, North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-2, 5 p. https://doi.org/10.14509/3235
PIR 2004-1
DGGS, 2004, Report not published: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2004-1. https://doi.org/10.14509/25487
PIR 2003-3 Report
Meyer, J.F., and Boggess, P.L., 2003, Principal facts for gravity data collected in the Susitna area, southcentral Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2003-3, 13 p. https://doi.org/10.14509/2945
PIR 2003-2 Report
Meyer, J.F., and Boggess, P.L., 2003, Principal facts for gravity data collected in the Copper River basin area, southcentral Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2003-2, 12 p. https://doi.org/10.14509/2944
PIR 2003-1 Report
McCarthy, P.J., 2003, Alluvial facies and paleosols in the Cretaceous Nanushuk formation, Kanayut River, North Slope, Alaska, Preliminary results from the 2001 field season: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2003-1, 19 p. https://doi.org/10.14509/2920
PIR 2002-5 Report
LePain, D.L., Blodgett, R.B., and Clough, J.G., 2003, Sedimentology and hydrocarbon source rock potential of Miocene-Oligocene strata, McGrath Quadrangle: An outcrop analog for the Holitna basin: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-5, 75 p. https://doi.org/10.14509/2870
PIR 2002-4 Map
Werdon, M.B., Riehle, J.R., Schmidt, J.M., Newberry, R.J., and Pessel, G.H., 2002, Geologic map of the Iron Creek area, Talkeetna Mountains B-5 Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-4, 1 sheet, scale 1:63,360. https://doi.org/10.14509/7144
PIR 2002-3 Map Geospatial Data
Stevens, D.S.P., 2014, Engineering-geologic map of the Dalton Highway from Galbraith Lake to Slope Mountain, southern Arctic Foothills, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-3, 1 sheet, scale 1:63,360. https://doi.org/10.14509/25486
PIR 2002-2 Map Geospatial Data
Harris, E.E., Mull, C.G., Reifenstuhl, R.R., and Montayne, Simone, 2002, Geologic map of the Dalton Highway (Atigun Gorge to Slope Mountain) area, southern Arctic Foothills, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-2, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2867
PIR 2002-1A Map Geospatial Data
Szumigala, D.J., Newberry, R.J., Werdon, M.B., Athey, J.E., Stevens, D.S.P., Flynn, R.L., Clautice, K.H., and Craw, P.A., 2002, Geologic map of the Eagle A-1 Quadrangle, Fortymile mining district: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-1A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2863
PIR 2002-1B Map Geospatial Data
Szumigala, D.J., Newberry, R.J., Werdon, M.B., Athey, J.E., Flynn, R.L., and Clautice, K.H., 2002, Bedrock geologic map of the Eagle A-1 Quadrangle, Fortymile mining district: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-1B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2864
PIR 2002-1C Map Geospatial Data
Stevens, D.S.P., and Burns, P.A.C., 2010, Surficial-geologic map of the Eagle A-1 Quadrangle, Fortymile mining district: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-1C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/22081
PIR 2002-1D Map Geospatial Data
Stevens, D.S.P., 2012, Engineering-geologic map of the Eagle A-1 Quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2002-1D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/24544
PIR 2001-5 Map
Werdon, M.B., Newberry, R.J., Szumigala, D.J., and Burns, L.E., 2001, Reconnaissance bedrock geology of the Pogo area, Big Delta B-2 and B-3 quadrangles, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-5, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2673
PIR 2001-4 Report
Zippi, P.A., 2001, Palynology of Tertiary Holitna outcrops, McGrath and Talkeetna quadrangles: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-4, 22 p. https://doi.org/10.14509/2736
PIR 2001-3A Map Geospatial Data
Werdon, M.B., Newberry, R.J., Szumigala, D.J., and Pinney, D.S., 2001, Geologic map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-3A, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2669
PIR 2001-3B Map Geospatial Data
Werdon, M.B., Newberry, R.J., and Szumigala, D.J., 2001, Bedrock geologic map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-3B, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2670
PIR 2001-3C Map Geospatial Data
Pinney, D.S., 2001, Surficial-geologic map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-3C, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2671
PIR 2001-3D Map Geospatial Data
Pinney, D.S., 2001, Engineering - geologic map of the Eagle A-2 Quadrangle, Fortymile mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-3D, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2672
PIR 2001-2
DGGS, 2001, Report not published: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-2. https://doi.org/10.14509/25485
PIR 2001-1
DGGS, 2001, Report not published: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2001-1. https://doi.org/10.14509/25484
PIR 2000-9 Report
Mull, C.G., 2000, Summary report on the geology and hydrocarbon potential of the foothills of the northwestern De Long Mountains, western Brooks Range, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-9, 16 p. https://doi.org/10.14509/2668
PIR 2000-8 Report Map
Mickey, M.B., and Haga, Hideyo, 2000, Biostratigraphy report, 129 outcrop samples, western De Long Mountains (Tingmerkpuk) North Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-8, 99 p., 1 sheet, scale 1:250,000. https://doi.org/10.14509/2667
PIR 2000-7 Map
Werdon, M.B., Riehle, J.R., Schmidt, J.M., Newberry, R.J., and Pessel, G.H., 2000, Preliminary geologic map of the Iron Creek area, Talkeetna Mountains B-5 Quadrangle, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-7, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2735
PIR 2000-6 Map
Szumigala, D.J., Newberry, R.J., Werdon, M.B., Finseth, B.A., and Pinney, D.S., 2000, Preliminary bedrock geologic map of a portion of the Fortymile mining district, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-6, 1 sheet, scale 1:63,360. https://doi.org/10.14509/2734
PIR 2000-5
DGGS, 2000, Report not published: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-5. https://doi.org/10.14509/25483
PIR 2000-4
DGGS, 2000, Report not published: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-4. https://doi.org/10.14509/25482
PIR 2000-3 Report
Vohden, Jim, 2000, Technical review of the September 1999 groundwater disturbance near Ester, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-3, 68 p. https://doi.org/10.14509/2666
PIR 2000-2 Report
Tyler, Roger, Scott, A.R., and Clough, J.G., 2000, Coalbed methane potential and exploration targets for rural Alaska communities: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-2, 169 p. https://doi.org/10.14509/2733
PIR 2000-1 Report Map
LePain, D.L., Blodgett, R.B., Clough, J.G., Ryherd, T.J., and Smith, T.N., 2000, Generalized stratigraphy and petroleum potential of the Holitna region, southwest Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 2000-1, 34 p., 1 sheet, scale 1:250,000. https://doi.org/10.14509/2665
PIR 1999-2 Report Map
LePain, D.L., and Adams, K.E., 1999, Stratigraphy and depositional setting of the Tingmerkpuk sandstone (Neocomian), northwestern De Long Mountains, western Arctic Slope, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 1999-2, 5 p., 1 sheet, scale 1:127. https://doi.org/10.14509/2244
PIR 1999-1 Report Map Geospatial Data
Combellick, R.A., 1999, Simplified geologic map and cross sections of central and east Anchorage, Alaska: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretive Report 1999-1, 13 p., 2 sheets. https://doi.org/10.14509/2243

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