Bentonite deposits in marine Cretaceous formations, Hardin district, Montana and Wyoming / by Maxwell M. Knechtel and Sam H. Patterson ; with a section on laboratory procedures used for testing the bentonites, by Sam H. Patterson.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington [D.C.] :
U.S. G.P.O.,
1956.
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| Series: | Geological Survey bulletin ;
1023. |
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