Cambrian(?) , Middle Proterozoic, and Archean rocks penetrated in a borehole near Argenta, Beaverhead County, Montana, and some paleogeographic and structural implications /

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Bibliographic Details
Main Author: Pearson, Robert Carl, 1926- (Author)
Format: Government Document Book
Language:English
Published: Washington, D.C. : United States Government Printing Office, 1996.
Series:Belt supergroup in the Highland Mountains and probable equivalent rocks in the Pioneer and Anaconda ranges, southwestern Montana ; B.
U.S. Geological Survey bulletin ; 2121-B.
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