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  • Book cover of Copper Deposits of Part of Helvetia Mining District, Pima County, Arizona

    Copper Deposits of Part of Helvetia Mining District, Pima County, Arizona

    Saville Cyrus Creasey, George L. Quick

     · 1955

  • No image available

    Copper Deposits of Part of Helvetia Mining District, Pima County, Arizona

    Saville Cyrus Creasey, George L. Quick

     · 1955

  • No image available

    Physical Stratigraphy of the Phosphoria Formation in Part of Southwestern Montana

    Charles Frederick Deiss, Earle Rupert Cressman, James Jennings Norton, Nathan Wood Bass, Quentin Dreyer Singewald, Richard Kenneth Hose, Saville Cyrus Creasey, Dorothy McKenney Schlegel, George L. Quick

     · 1955

  • No image available

    Copper Deposits of Part of Helvetia Mining District, Pima County, Ariz

    S. C. Creasy, G. L. Quick

     · 1956

  • No image available

    Copper Deposits of Part of Helvetia Minig District, Pima County, Arizona

    S. C. Creasey, George L. Quick

     · 1955

  • No image available

    Geology and Ore Deposits of the Castle Dome Area, Gila County, Arizona

    Nels Paul Peterson

     · 1951

Coded by Alvin Chou