Showing 1 - 3 results of 3 for search 'Tychsen, P. C.', query time: 0.02s Refine Results
  1. 1
    Reconnaissance of geology and ground water in the lower Grand River Valley, South Dakota /

    Reconnaissance of geology and ground water in the lower Grand River Valley, South Dakota / by Tychsen, P. C. (Paul C.), 1916-

    Published 1955
    Government Document Book
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  2. 2
    Geology and ground-water hydrology of the Heart River irrigation project and the Dickinson area, North Dakota /

    Geology and ground-water hydrology of the Heart River irrigation project and the Dickinson area, North Dakota / by Tychsen, P. C. (Paul C.), 1916-, Swenson, Herbert A. (Herbert Alfred), 1911-

    Published 1950
    Online Access
    Government Document eBook
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  3. 3
    Reconnaissance of geology and ground water in the lower Grand River Valley, South Dakota /

    Reconnaissance of geology and ground water in the lower Grand River Valley, South Dakota / by Tychsen, P. C., Jochens, E. R. (Eugene R.), 1924-, Vorhis, Robert C. (Robert Corson), 1917-

    Published 1955
    Online Access
    Government Document eBook
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