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1Government Document Microform Book
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2Published 1998Government Document Microform Book
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3Published 1997Government Document Microform Book
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4
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5
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6Published 1986Government Document Microform Book
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7Published 1988Government Document Microform Book
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8
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9Published 1992Government Document Microform Book
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10
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11Published 1991Government Document Microform Book
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12Published 1994Government Document Microform Book
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13Published 1994Government Document Microform Book
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14Published 1993Government Document Microform Book
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15Published 1997Government Document Microform Book
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16Published 1998Government Document Microform Book
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17Published 1998List of USGS open-file reports by year from which a link may be made to the title desired
Government Document Microform Book -
18Published 1997Government Document Microform Book
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19