1.
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Washignton : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989.
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2.
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Sacramento, Calif. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Earth Science Information Center, Open-File Reports Section [distributor], 1995.
I 19.76: 95-165 |
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3.
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Sacramento, Calif. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the U.S. Geological Survey, Earth Science Information Center, Open-File Reports Section, 1995.
I 19.76: 95-110 |
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4.
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Sacramento, Calif. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 1998.
I 19.76: 97-655 |
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5.
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Sacramento, Calif. : U.S. Geological Survey ; Denver, CO : Books and Open-File Reports Section [distributor], 1991.
I 19.76: 91-227 |
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6.
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[Washington, D.C.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For Sale by the U.S. Geological Survey Information Services, 1997.
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