Geologic maps on Alaska published by the U.S. Geological Survey, post-1930
Subtitle: scales 1:20,000 to 1:63,360
By: compiled by B.A. Hopkins.
Contributors: Hopkins, B.A.
Series: Open file report (United States. Bureau of Mines) -- 83-578
Publisher: s.n
Published: 1983
Place of publication: S.l
Language: eng
Number of pages: 17
Notes: 1