Bentonite deposits of the northern Black Hills district, Wyoming, Montana, and South Dakota : contributions to economic geology /

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Bibliographic Details
Main Authors: Knechtel, Maxwell M. 1897- (Author), Patterson, Sam H. 1918-2004 (Author)
Format: Book
Published: Washington : United States Government Printing Office, 1962
Series:Geological Survey Bulletin ; 1082-M
Cover Image
Physical Description:vi, strana 893-1030, 4 strany obrazové přílohy + 4 mapy
Bibliography:Obsahuje bibliografii a rejstřík