The Porcupine River fixed wing aeromagnetic geophysical survey is located in eastern Alaska, along the Canadian border, in the Sheenjek and Black mining districts. This survey is located about 135 kilometers east of Fort Yukon, Alaska and about 85 kilometers east of Circle, Alaska. Magnetic data were collected with a Geometrics G-822A cesium-vapor split-beam sensor mounted in a tail stinger. Between May 5th and June 28th, 2017, a total of 50,329 line kilometers were collected covering 13,646.9 square kilometers. Data were collected at a line spacing of 300 meters (m) with a mean ground clearance of 235 m.
| File Name | Data File Format | File Size | Info |
|---|---|---|---|
| Download gpr2019_001_porcupine_2017_vector_data | Vector data | 42.8 M | Read me |
| Download gpr2019_001_porcupine_2017_databases_geosoft | Linedata Geosoft format database | 216.0 M | Read me |
| Download gpr2019_001_porcupine_2017_images_registered | Image files | 66.0 M | Read me |
| Download gpr2019_001_porcupine_2017_grids_geosoft | Gridded data Geosoft format | 91.0 M | Read me |
| Download gpr2019_001_porcupine_2017_grids_ermapper | Gridded data ER Mapper | 90.5 M | Read me |
| Download gpr2019_001_porcupine_2017_kmz | Google Earth files | 42.7 M | Read me |
| Download gpr2019_001_porcupine_2017_documents | Adobe PDF files | 7.3 M | Read me |
| Download gpr2019_001_porcupine_2017_maps_pdf_format | Adobe PDF files | 359.3 M | Read me |
| Download gpr2019_001_porcupine_2017_ascii_data | ASCII tabular files | 1.6 G | Read me |
