1912. United States. Bureau of Chemistry and Soils. Relief shown by contours.; Shows distribution of soil types by colors and symbols. 55 x 79 centimeters Scale approximately 1:63,360; 1 inch = 1 mil... U.S. Bureau of Soils (Washington,  D.C).
    
  
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      1915. United States. Bureau of Chemistry and Soils. Relief shown by contours.; Shows distribution of soil types by colors and symbols. 58 x 82 centimeters Scale approximately 1:63,360; 1 inch = 1 mil... U.S. Bureau of Soils (Washington,  D.C).
    
  
    
      1914. United States. Bureau of Chemistry and Soils. Relief shown by contours.; Shows distribution of soil types by colors and symbols. 78 x 64 centimeters Scale approximately 1:63,360; 1 inch = 1 mil... U.S. Bureau of Soils (Washington,  D.C).
    
  
    
      1912. United States. Bureau of Chemistry and Soils. Relief shown by contours.; Shows distribution of soil types by colors and symbols. 89 x 83 centimeters Scale approximately 1:63,360; 1 inch = 1 mil... U.S. Bureau of Soils (Washington,  D.C).
    
  
    
      1917. United States. Bureau of Chemistry and Soils. Shows distribution of soil types by colors and symbols.; Shows cities, roads, railroads, buildings, and water features.; Shows township and range c... The Bureau (Washington).