Search Results - "Geological survey"

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  1. 1

    United States Geological Survey activities in Iowa by Middlemis-Brown, Rob G.

    Published: U.S. Dept. of the Interior, U.S. Geological Survey ; [Earth Science Information Center, Open-File Reports Section, distributor], 1995
    Description: 1 volume.
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    United States Geological Survey activities in Iowa
  2. 2

    Interpretive U.S. Geological Survey Programs with municipalities in Iowa by Buchmiller, Robert

    Published: U.S. Geological Survey, 1996
    Description: 1 sheet (4 pages) : color illustrations, color map ; 28 cm.
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    Interpretive U.S. Geological Survey Programs with municipalities in Iowa

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