| Who What Where WhenWHERE | REFINE  Browse All : Atlas Map of Arkansas and Missouri and Iowa from 1936 and 1931
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       Author Marbut, Curtis F. Full Title Soil Map of the United States by Curtis F. Marbut and Associates in the Soil Survery, U.S. Department of Agriculture, F.J. Marschner, Cartographer and Associate in Compilation. 1931. Soils, Plate 5, Section 7. Lith. A. Hoen & Co., Inc. Atlas of American Agriculture. Publisher U.S. Department of Agriculture 
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