Bentonite deposits of the northern Black Hills district Wyoming, Montana, and South Dakota /

Bibliographic Details
Main Authors:	Knechtel, Maxwell M. (Maxwell McMichael), 1897-1984 (Author), Patterson, Sam H. (Sam Hunting), 1918-2004 (Author)
Format:	Government Document
Language:	English
Published:	Washington, D.C. : United States Department of the Interior, Geological Survey, 1962.
Series:	Contributions to economic geology. Geological Survey bulletin ; 1082-M.
Subjects:	Bentonite deposits > Montana > Carter County. Bentonite deposits > South Dakota > Butte County. Bentonite deposits > Wyoming > Crook County. Bentonite deposits. Montana > Carter County. South Dakota > Butte County. Wyoming > Crook County.
Online Access:	https://purl.fdlp.gov/GPO/gpo70218

Description
Item Description:	Additional title page description: "An investigation of the district that has supplied most of the gel-forming sodium-type bentonite produced to date in the United States." Title from title screen (viewed July 23, 2014).
Physical Description:	1 online resource (vi, 893-1030 pages, 4 pages of plates) : illustrations, maps.
Bibliography:	Includes bibliographical references (pages 1024-1027) and index.