| Who What Where When | REFINE  Browse All : Soils and Atlas Map and National Atlas and Agriculture of Montana and Washington
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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 4. Lith. A. Hoen & Co., Inc. Atlas of American Agriculture. Publisher U.S. Department of Agriculture 
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