Metalliferous deposits of the greater Helena mining region, Montana /

Bibliographic Details
Main Authors:	Pardee, J. T. (Joseph Thomas), 1871-1960 (Author), Schrader, Frank C. (Frank Charles), 1860-1944 (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1933.
Series:	Bulletin (Geological Survey (U.S.)) ; no. 842.
Subjects:	Ore deposits > Montana > Helena. Geology > Montana > Helena. Geology. Ore deposits. Montana > Helena.
Online Access:	https://purl.fdlp.gov/GPO/gpo61870

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