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1Published 1998“...[U.S. Geological Survey],...”
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2
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3Published 1971“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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4Published 2002“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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5Published 2008“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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6Published 2008“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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7Published 2008“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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8Published 2008“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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9Published 2008“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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10Published 2008“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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11Published 2005“...U.S. Department. of the Interior, U.S. Geological Survey,...”
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12
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13
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14
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15Published 2010“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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16
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17
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18
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19
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20
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Government Document Map Database