Coal near the Black hills, Wyoming--South Dakota /

Bibliographic Details
Main Author:	Stone, Ralph W. (Ralph Walter), 1876-1964 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1912.
Series:	Bulletin (Geological Survey (U.S.)) ; no. 499.
Subjects:	Coal mines and mining > Wyoming. Coal mines and mining > South Dakota. Coal mines and mining. South Dakota. Wyoming.
Online Access:	https://purl.fdlp.gov/GPO/gpo60994

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