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  1. Farming in Cumberland County in the claypan region of Southern Illinois : a study of the effect of differences in soil and topography / by R.C. Ross, V.B. Fielder, and G.H. Walter.
    By: Ross, R. C. - Fielder, Virgil Byron. - Walter, George Hays.
    Publication info: Urbana, Ill. :University of Illinois Agricultural Experiment Station, in cooperation with Bureau of Agricultural Economics, U.S. Dept. of Agriculture,1944.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Agriculture  Cumberland County  Illinois  
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  2. The trend of agriculture in Adams, Cumberland, Franklin, and York counties, Pennsylvania by Paul L. Edinger.
    By: Edinger, Paul L.
    Publication info: 1924.
    Contributed by: Penn State University (archive.org)
    Subjects: Adams County  Agriculture  Cumberland County  Franklin County  Pennsylvania  Statistics  York County  
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