A pleistocene ice sheet in the northern Boulder Mountains, Jefferson, Powell, and Lewis and Clark Counties, Montana
Subtitle: a descriptive report of the glacial geology in the northern part of the Boulder Mountains, Montana
By: E.T. Ruppel.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey bulletin -- 1141-G; Contributions to general geology
Publisher: U.S. Government Printing Office
Published: 1962
Place of publication: Washington, DC
Language: eng
Number of pages: 63
Subjects: Geology -- Montana -- Boulder Mountains.; Geology, Stratigraphic -- Cretaceous.; Geology, Stratigraphic -- Tertiary.
Notes: Bibliogr.

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