Map showing cumulative thickness of sandstone in the Eagle Sandstone and Telegraph Creek Formation, Montana /

Bibliographic Details
Main Author:	Feltis, R. D. (Richard D.), 1930- (Author)
Corporate Author:	Geological Survey (U.S.) (Cartographer)
Format:	Government Document Map
Language:	English
Published:	Helena, Montana : Department of the Interior, United States Geological Survey, 1982.
Series:	Water-resources investigations report ; 82-4032.
Subjects:	From 65 to 140 million years ago Aquifers > Montana > Maps. Geology, Stratigraphic > Cretaceous > Maps. Aquifers. Cretaceous Geologic Period. Geology, Stratigraphic. Montana. Maps.
Online Access:	https://purl.fdlp.gov/GPO/gpo135493