New evidence of the Lower Miocene age of the Blacktail Deer Creek formation in Montana
By: by Claude W. Hibbard and Kendall A. Keenmon.
Contributors: Keenmon, Kendall A., joint author.
Series: Contributions from the Museum of Paleontology, University of Michigan,; v. 8, no. 7
Publisher: University of Michigan Press
Published: 1950
Place of publication: Ann Arbor
Language: eng
Number of pages: 204
Subjects: Geology, Stratigraphic -- Miocene; Geology -- Montana -- Beaverhead County
Other titles: Blacktail Deer Creek formation.
Notes: Bibliography: p. 204.
Cover title.