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1Published 1986“...U.S. Geological Survey bulletin ;...”
Government Document Conference Proceeding Book -
2Published 1989“...U.S. Geological Survey bulletin ;...”
Government Document Conference Proceeding Book -
3Published 1990“...U.S. Geological Survey bulletin ;...”
Government Document Conference Proceeding Book -
4Published 1991“...U.S. Geological Survey bulletin ;...”
Government Document Conference Proceeding Book -
5Published 1994“...U.S. Geological Survey bulletin ;...”
Government Document Conference Proceeding Book -
6Published 1995“...U.S. Geological Survey bulletin ;...”
Government Document Conference Proceeding Book -
7Published 1985“...U.S. Geological Survey bulletin ;...”
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8Published 1991“...U.S. Geological Survey bulletin ;...”
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Government Document Conference Proceeding eBook -
9Published 1990“...U.S. Geological Survey bulletin ;...”
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Government Document Conference Proceeding eBook -
10Published 1990“...U.S. Geological Survey bulletin ;...”
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Government Document Conference Proceeding eBook -
11Published 1989“...U.S. Geological Survey bulletin ;...”
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12Published 1994“...U.S. Geological Survey bulletin ;...”
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13Published 1995“...U.S. Geological Survey bulletin ;...”
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Government Document Conference Proceeding eBook