Showing 21 - 23 results of 23 for search '"Geological Survey circular ;"', query time: 0.17s Refine Results
  1. 21
    Postflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993 /
    “...U.S. Geological Survey circular ;...”
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    Government Document eBook
  2. 22
    Flood volumes in the upper Mississippi River basin, April 1 through September 30, 1993 /
    by Southard, Rodney E.
    Published 1995
    “...U.S. Geological Survey circular ;...”
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    Government Document eBook
  3. 23
    Geomorphic changes on the Mississippi River flood plain at Miller City, Illinois, as a result of the flood of 1993 /
    “...U.S. Geological Survey circular ;...”
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    Government Document eBook
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