Showing 41 - 48 results of 48 for search '"Iowa"', query time: 0.15s Refine Results
  1. 41
    Surface water supply of the United States, 1914.
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    Government Document eBook
  2. 42
    Surface water supply of the United States, 1917.
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    Government Document eBook
  3. 43
    Surface water supply of the United States, 1918.
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    Government Document eBook
  4. 44
    Quality of surface waters of the United States, 1961.
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    Government Document eBook
  5. 45
    Surface water supply of the United States, 1919-1920.
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    Government Document eBook
  6. 46
    Surface water supply of the United States for the year ending September 30, 1913.
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    Government Document eBook
  7. 47
    Quality of surface waters of the United States, 1964.
    Published 1969
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    Government Document eBook
  8. 48
    Quality of surface waters of the United States, 1965.
    Published 1970
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    Government Document eBook
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