Showing 1 - 3 results of 3 for search 'Hoagberg, Rudolph K.', query time: 0.01s Refine Results
  1. 1

    Environmental geology of the Twin Cities metropolitan area by Hoagberg, Rudolph K.

    Published 1971
    Book

    Environmental geology of the Twin Cities metropolitan area
  2. 2

    Guide to fossil collecting in Minnesota by Hoagberg, Rudolph K.

    Published 1967
    Book

    Guide to fossil collecting in Minnesota
  3. 3

    Guide to the caves of Minnesota by Hoagberg, Rudolph K.

    Published 1967
    Book

    Guide to the caves of Minnesota

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