1.
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Denver, CO : U.S. Geological Survey : For sale by the Books and Open-File Reports Section, 1987.
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2.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988.
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3.
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[Reston, Va.] : U.S. Geological Survey, [1996]
I 19.76: 96-82 |
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4.
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[Washington] : U.S. G.P.O. : Alexandria, VA : For sale by the Branch of Distribution, U.S. Geological Survey, 1986.
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5.
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Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2000.
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6.
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Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-645 |
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7.
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[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, [1988]
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8.
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Washington : U.S. G.P.O. ; Alexandria, Va. : For sale by Branch of Distribution, U.S. Geological Survey, 1985.
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