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    Aggradation and degradation of alluvial sand deposits, 1965 to 1986, Colorado River, Grand Canyon National Park, Arizona by Schmidt, John C., 1950-

    Published: Dept. of the Interior, U.S. Geological Survey : Books and Open-File Reports Section [distributor], 1988
    Description: 2 microfiches : negative, illustrations.
    Government Document Microfilm Book