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  1. Report upon United States Geographical surveys west of the one hundredth meridian,
    By: Wheeler, George M. - Humphreys, A. A. - Wright, Horatio Gouverneur, - Geographical Surveys West of the 100th Meridian (U.S.)
    Publication info: Washington [D.C.] :G.P.O.,1875-1889.
    Contributed by: University of Illinois Urbana Champaign
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