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1
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2
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3Published 1998Government Document Map
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4
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5Published 1998Government Document Microform Book
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6by Ryder, Robert T.List of USGS open-file reports by year from which a link may be made to the title desired
Published 1998
Government Document Microform Book -
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8
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9Published 1999Government Document Microform Book
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10
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11
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12
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13
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14
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15
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18
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