Geologic maps on Alaska published by the U.S. Geological Survey, post 1930, scales 1:20,000 to 1:63,360 (through October 1982)
By: compiled by B.A. Hopkins
Contributors: Hopkins, B. A; Geological Survey (U.S.)
Series: Open-file report -- 83-578; Open-file report (Geological Survey (U.S.)) -- 83-578
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1983
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Maps -- Alaska -- Bibliography
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1983?]. 2 microfiches ; 11 x 15 cm