USGS OF 94
Title:Generalized geologic map of Duke Island, southeastern 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
Koschmann, A.H., 1954, Generalized geologic map of Duke Island, southeastern Alaska: U.S. Geological Survey Open File Report: Technical Data Unit classification number 94, 1 p., 1 sheet.