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       REFINE  
              Browse All : Agriculture and Soils and National Atlas of Arizona and Nevada
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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 5. Lith. A. Hoen & Co., Inc. Atlas of American Agriculture. 
      Publisher 
        U.S. Department of Agriculture 
      
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