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1Published 1995“...The Survey ;...”
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2by Witkind, Irving J. (Irving Jerome), 1917-2008“...The Survey,...”
Published 1982
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3by Witkind, Irving J. (Irving Jerome), 1917-2008“...The Survey,...”
Published 1975
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4by Witkind, Irving J. (Irving Jerome), 1917-2008“...The Survey,...”
Published 1979
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5Published 1957“...The Survey,...”
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6Published 1964“...The Survey,...”
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7by Witkind, Irving J. (Irving Jerome), 1917-2008“...The Survey,...”
Published 1980
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8Published 1971“...The Survey,...”
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9by Witkind, Irving J. (Irving Jerome), 1917-2008“...The Survey,...”
Published 1982
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10Published 1981“...The Survey,...”
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11by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1976
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12by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1972
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13by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1972
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14by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1972
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15by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1972
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16by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1972
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17by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1972
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18by Witkind, Irving J. (Irving Jerome), 1917-2008“...U.S. Geological Survey,...”
Published 1972
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19Published 1972“...U.S. Geological Survey,...”
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20Published 1980“...U.S. Dept. of the Interior, Geological Survey,...”
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