| Who What Where WhenREMOVEWHAT | REFINE  Browse All : Atlas Map and Agriculture and Soils 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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