Shows soil types classification by colors and symbols. "Field Operations, Bureau of Soils, 1905." "A. Hoen & Co. Lith. Baltimore, Md." Imprint: Washington, D.C.: Bureau of Soils. [1905] Scale: 1:63,360; Dimensions: 86 x 35 cm Coordinates: W0873200 W0871600 N0411400 N0404400