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  • Volcanoes of the Three Sisters region, Oregon Cascades

    Creator:
    Williams, Howel, 1898-1980
    Abstract:
    During Pliocene time a cluster of basaltic and basaltic andesite shield volcanoes was built in the Three Sisters region. Included in this cluster are the North Sister, Little Brother, Husband, Wife, Sphinx and Broken Top, the radial dikes and conduit fillings of which have been laid bare by glacial erosion....
    Resource Type:
    Book
    Full Text:
    PRESS BERKELEY AND LOS ANGELES 1944 UNIvitsITY OF CATJIrORNIA PUBLICATIONS BuIIrIN OF T±LE