Sort By:
  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
    View Book