Geologic investigations along the Canada-Alaska boundary
By: by A.G. Maddren
Contributors: Geological Survey (U.S.); United States. Government Printing Office
Series: Bulletin / United States Geological Survey -- 520-K
Publisher: G.P.O.
Published: 1912
Place of publication: Washington
Language: eng
Number of pages: 20
Notes: "Advance chapter from bulletin 520, 'Mineral resources of Alaska, 1911'".