Zeolite-bearing Cretaceous tuff in Beaverhead County, southwestern Montana
By: by Robert C. Pearson.
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 89-0297; U.S. Geological Survey open-file report -- 89-297..
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1989
Place of publication: [Denver, CO]
Language: eng
Format: Microform
Number of pages: 10
Subjects: Zeolites -- Montana -- Beaverhead County.; Volcanic ash, tuff, etc. -- Montana -- Beaverhead County.; Paleontology -- Cretaceous.
Notes: Distributed to depository libraries in micorfiche.

Includes bibliographical references.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1992] 1 microfiche.