Search results for: Polk, Michael Robert

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  1. 1

    Bison jump sites in the Northwestern Plains of North America : a locational analysis

    Authors: Polk, Michael Robert
    Published: 1979
    Physical Description: 1 unnumbered page, x, 142, that is, 147 leaves ; 29 cm
    Thesis Book
  2. 2

    Bison jump sites in the Northwestern Plains of North America : a locational analysis

    Authors: Polk, Michael Robert
    Published: 1979
    Physical Description: 1 unnumbered page, x, 142, that is, 147 leaves ; 29 cm
    Thesis Microfilm Book