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Coal fields of northwestern Colorado and northeastern Utah /

Bibliographic Details
Main Author: Gale, Hoyt S. 1876- (Author)
Format: Government Document Online Book
Language:English
Published: Washington, D.C. : Department of the Interior, United States Geological Survey, 1910.
Series:Bulletin (Geological Survey (U.S.)) ; no. 415.
Subjects:
Online Access:ONLINE VERSION
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