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Holmes Robert R 1965
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ElectronicResource GovDoc
Koenig, Todd A., author.
Reston, Virginia : U.S. Department of Interior, U.S. Geological Survey, 2013.
2013
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ElectronicResource GovDoc
Holmes, Robert R., 1965-
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010.
2010
Rating:
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ElectronicResource GovDoc
Johnson, Gary P., 1969-
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2004]
2004
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Holmes, Robert R., 1965- author.
Reston, Virginia : U.S. Department of Interior, U.S. Geological Survey, 2013.
2013
Rating:
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Schalk, Gregg K., 1968-
[Washington, D.C.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor], 1998.
1998
Rating:
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Holmes, Robert R., 1965-
[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : Free on application to the U.S. Geological Survey, Information Services, 1996.
1996
Rating:
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ElectronicResource GovDoc
Holmes, Robert R., 1965-, author.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013.
2013
Rating:
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