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, 1987.
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2.
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Menlo Park, Calif. : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992]
I 19.76: 92-724 |
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3.
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[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1995]
I 19.76: 95-638 |
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4.
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[Menlo Park, CA] : The Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992]
I 19.76: 92-596 |
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5.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by USGS Map Distribution, 1994.
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6.
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[Menlo Park, CA] : U.S. Dept. of Interior, Geological Survey, [1991]
I 19.76: 91-29 |
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7.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1996.
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8.
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[Reston, Va.?] : U.S. Dept. of the Interior, Geological Survey, [1990]
I 19.76: 90-297 |
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