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Ulmishek Gregory F
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Ulmishek, Gregory F., author.
[Denver, CO] : United States Department of the Interior, U.S. Geological Survey, 1992.
1992
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ElectronicResource GovDoc
Geological Survey (U.S.)
Denver, CO : The Survey : USGS Information Services [distributor], 1998.
1998
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Persits, F. M., compiler.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2003.
2003
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ElectronicResource GovDoc
Geological Survey (U.S.)
Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 2003.
2003
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ElectronicResource GovDoc
Ulmishek, Gregory F.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2004.
2004
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ElectronicResource GovDoc
Ulmishek, Gregory F.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001.
2001
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Ulmishek, Gregory F.
Denver, colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001.
2001
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ElectronicResource GovDoc
Ulmishek, Gregory F.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001.
2001
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ElectronicResource GovDoc
Ulmishek, Gregory F.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001.
2001
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ElectronicResource GovDoc
Ulmishek, Gregory F.
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001.
2001
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Ulmishek, Gregory F.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003.
2003
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ElectronicResource GovDoc
Verma, Mahendra K. (Mahendra Kumar), 1940-
[Reston, Va.?] : U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2006.
2006
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ElectronicResource GovDoc
[Denver, CO] : U.S. Geological Survey, Energy Resource Surveys Program, [1997]
1997
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