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1
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2Published 1985Subjects: “...Radioactive dating....”
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3by Szabo, B. J.Subjects: “...Radioactive dating....”
Published 1985
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5
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6Published 1998Government Document Microform Book
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7Published 1999Government Document Microform Book
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8
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9
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10Published 2001Government Document Book
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12
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13
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14
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15
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16Published 2002Government Document Book
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17Published 1999Accesses list of USGS open-file reports by year from which a link may be made to the title desired
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19Published 1998Government Document Microform Map
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20