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[Denver, CO] : U.S. Geological Survey, 1990.
I 19.76: 90-296 |
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[Denver, CO] : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-339 |
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[Denver, Colo.] : U.S. Dept. of the Interior, Geological Survey : [Open-File Reports Section, distributor], 1990.
I 19.76: 90-463 |
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[Denver, CO] : United States Department of the Interior, Geological Survey : Books and Open-File Reports Section [distributor], 1991.
I 19.76: 91-438-A |
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[Denver, CO] : U.S. Dept. of the Interior, Geological Survey : Books and Open-File Reports Section [distributor, 1991]
I 19.76: 91-374-A |
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[Denver, CO] : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section distributor], 1991.
I 19.76: 91-372-A |
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[Denver, CO] : U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1991.
I 19.76: 91-358-A |
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[Denver, CO] : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1991.
I 19.76: 91-637-A |
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[Denver, CO] : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section [distributor, 1991]
I 19.76: 91-621-A |
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Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-22 |
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