Igneous geology of the Dry Mountain quadrangle, Jefferson County, Montana
By: by Harold J. Prostka.
Series: Contributions to general geology; Geological Survey bulletin -- 1221-F
Publisher: U.S. Govt. Print. Off.
Published: 1966
Place of publication: Washington
Language: eng
Number of pages: 21
Subjects: Rocks, Igneous -- Montana -- Jefferson County.; Geology -- Montana -- Jefferson County.; Petrology -- Montana -- Jefferson County.; Volcanic ash, tuff, etc. -- Montana -- Jefferson County.; Intrusions (Geology) -- Montana -- Jefferson County.
Description: A description of the petrology and structure of the igneous rocks along the east margin of the Boulder batholith.
Notes: Issued in a case.

Accompanied by one map on folded plate in portfolio.

Includes bibliographical references (p. 20-21).