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: by Edward T. Ruppel.
Series: Geological Survey bulletin -- 1141-G; Contributions to general geology
Publisher: U.S. G.P.O.
Published: 1962
Place of publication: Washington
Language: eng
Number of pages: 22
Subjects: Geology -- Montana -- Jefferson County.; Geology -- Montana -- Powell County.; Geology -- Montana -- Lewis and Clark County.; Geology, Stratigraphic -- Pleistocene.; Glacial epoch -- Montana -- Jefferson County.; Glacial epoch -- Montana -- Powell County.; Glacial epoch -- Montana -- Lewis and Clark County.; Drift -- Montana -- Jefferson County.; Drift -- Montana -- Powell County.; Drift -- Montana -- Lewis and Clark County.
Notes: Issued in a case.

Accompanied by two folded plates in portfolio.

Includes bibliographical references (p. 21-22).