Measured stratigraphic sections of Lower Cretaceous Blackleaf Formation and Lower Upper Cretaceous Frontier Formation (lower part) in Beaverhead and Madison counties, Montana

• 1985
• 1.74 MB
• 9109 Downloads
• English

by T. S. Dyman
U.S. Dept. of the Interior, Geological Survey , [Reston, Va.?]
Geology, Stratigraphic -- Cretaceous., Geology -- Mon

Statement	by T.S. Dyman.
Series	Open-file report -- 85-431., Open-file report (Geological Survey (U.S.)) -- 85-431.
Contributions	Geological Survey (U.S.)
The Physical Object
Format	Microform
Pagination	1 v.
ID Numbers
Open Library	OL17668769M