1.
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2.
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Reston, Va. : U.S. Geological Survey, 2004.
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3.
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Washington : U.S. G.P.O. ; Alexandria, Va. : For sale by the Distribution Branch, U.S. Geological Service, 1982.
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4.
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Lemoyne, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : Branch of Information Services [distributor], 1998.
I 19.76: 98-294 |
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5.
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Ottawa : International Development Research Centre, 2000.
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6.
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Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Branch of Information Services, 1999.
QE75 .P9 no.1425 1999 |
Map It |
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7.
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Menlo Park, Calif. : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
I 19.76: 92-505 |
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8.
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Sacramento, Calif. : U.S. Geological Survey ; Denver, CO : Earth Science Information Center, Open-File Reports Section, [distributor], 1994.
I 19.76: 94-45 |
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9.
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[Washington, D.C.?] : U.S. G.P.O. ; Denver, CO : For sale by Branch of Information Services, 1997.
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10.
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Washington, D.C. : U.S. G.P.O. ; Denver, CO : For sale by the Branch of Information Services [distributor], 1996.
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