USGS OF 106
Title:Photogeologic map of the lower Koyukuk Cretaceous basin, west-central Alaska
Publisher:U.S. Geological Survey
Comments:This publication was reclassified with a new publication number in 1975; see below for the updated classification number.
Ordering Info:This publication is out of print. Reproductions may be available. USGS Publications Warehouse
Cass, J.T., 1955, Photogeologic map of the lower Koyukuk Cretaceous basin, west-central Alaska: U.S. Geological Survey Open File Report: Technical Data Unit classification number 106.