1.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by the Open-File Reports Section, U.S. Geological Survey, 1991.
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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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New York : T. Nelson and Sons, [1870]
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4.
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Boulder, Colorado : University Press of Colorado, 2008. ©2008
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5.
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Washington, U.S. Govt. Print. Off., 1973.
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6.
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Menlo Park, CA : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992]
I 19.76: 92-407 |
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7.
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[Denver, CO] : U.S. Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor, 1994]
I 19.76: 93-384 |
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8.
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Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1993]
I 19.76: 92-293 |
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9.
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[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by Book and Open-File Report Sales, U.S. Geological Survey, 1992.
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