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Colorado State Metal Mining Fund Sponsoring Body
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Vhay, John S. (John Stewart), 1907-1990 author.
Washington, D.C. : United States Department of the Interior, Geological Survey, 1962.
1962
Rating:
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Vanderwilt, John W., 1898-1992 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1937.
1937
Rating:
Axe Federal Documents Online
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I 19.3:884 |
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Available |
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Singewald, Q. D. (Quentin Dreyer), 1902-1987, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1951.
1951
Rating:
Axe Federal Documents Online
|
I 19.3:970 |
--- |
Available |
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Singewald, Q. D. (Quentin Dreyer), 1902-1987, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1941.
1941
Rating:
Axe Federal Documents Online
|
I 19.3:911 |
--- |
Available |
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Koschmann, A. H. (Albert Herbert), 1896-1962 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1949.
1949
Rating:
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Singewald, Q. D. (Quentin Dreyer), 1902-1987, author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1955.
1955
Rating:
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Fischer, R. P. (Richard Philip), 1910-1991 author.
[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1942.
1942
Rating:
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