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BookPrinted Material
Author Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984.

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

Publication Info. Washington, [D.C.] : U.S. G.P.O., 1962.

Item Status

Description pages vi, 893-1030 : illustrations, maps ; 24 cm.
Series Contributions to economic geology
Geological Survey bulletin ; 1082-M
Contributions to economic geology.
Geological Survey bulletin ; 1082-M.
Note Three folded leaves in pocket.
Bibliography Bibliography: pages 1024-1027.
Note Includes index.
Subject Bentonite deposits -- Wyoming -- Crook County.
Bentonite deposits.
Wyoming -- Crook County.
Bentonite deposits -- Montana -- Carter County.
Montana -- Carter County.
Bentonite deposits -- South Dakota -- Butte County.
South Dakota -- Butte County.
Added Author Patterson, Sam H. (Sam Hunting), 1918-2004.