1.
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Portland, Or. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 2005.
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2.
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Portland, Or. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor], 2004.
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3.
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[Fort Collins, Colo.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2000]
I 19.76: 99-112 |
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4.
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[Washington, DC : U.S. Fish & Wildlife Service, 1998]
I 49.2: T 24/4 |
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5.
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Denver, Colo. : U.S. Geological Survey : USGS Earth Science Information Center, Open-File Reports Section [distributor], 1995.
I 19.76: 94-545 |
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6.
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Portland, Or. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Branch of Information Services [distributor], 1998.
I 19.76: 98-186 |
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7.
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Portland, Or. : U.S. Geological Survey ; Denver, Colo. : Branch of Information Services [distributor], 1997.
I 19.76: 96-315 |
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8.
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Lakewood, Colo. : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Earth Science Information Center, Open-File Reports Section [distributor], 1995.
I 19.76: 94-546 |
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9.
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Philadelphia : Printed and sold by R. Aitken, no. 22, Market Street, 1799.
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10.
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Reston, VA : U.S. Department of the Interior, U.S. Geological Survey, 2003.
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