1.
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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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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, 1990.
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3.
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[Reston, Va.?] : The Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1991]
I 19.76: 90-633 |
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4.
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Bloomington, Ind. : Indiana Geological Survey, 1986.
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5.
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[Denver, CO] : U.S. Geological Survey, 1990.
I 19.76: 90-32 |
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6.
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[Denver, CO] : U.S. Geological Survey, [1998]
I 19.76: 98-215 |
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7.
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[Denver, CO] : U.S. Dept. of Interior, Geological Survey : Books and Open-File Reports Section, distributor], 1991.
I 19.76: 91-348 |
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8.
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[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1995]
I 19.76: 95-515 |
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9.
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Washington [D.C.] : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open File Reports Section, U.S. Geological Survey, 1987.
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