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Author: United States. Bureau of Mines
Subject: Coal mines and mining
Region: Colorado
Institution
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Subject
Author
United States. Bureau of Mines
1
Amuedo and Ivey
1
Boulder County (Colo.)
1
Colorado Geological Survey
1
Davis, J. D. 1882-1956
1
Derick, R. L.
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1
Lowrie, Raymond L.
1
Magers, Jeff A.
1
Myers, A. R. 1912-1980
1
Reynolds, D. A. 1898-1992
1
Tadolini, Stephen C.
1
Timko, Robert J.
1
Toenges, Albert L. 1889-
1
Tomlinson, H.
1
Turnbull, Louis A.
1
Ulrich, Bryan F.
1
Weld County (Colo.)
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