Bentonite deposits of the northern Black Hills district, Montana, Wyoming and South Dakota [map] / by Maxwell M. Knechtel and Sam H. Patterson.

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Bibliographic Details
Main Author:	Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Patterson, Sam H. (Sam Hunting), 1918-2004
Format:	Government Document Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1956.
Series:	Mineral investigations field studies ; map MF-36.
Subjects:	Bentonite deposits > Wyoming > Crook County > Maps. Bentonite deposits > Montana > Carter County > Maps. Bentonite deposits > South Dakota > Butte County > Maps.

Earth Sciences & Map Library - Maps - South Wall