Shows soil types classification by colors and symbols. "Field Operations, Bureau of Soils, 1904." "Andrew B. Graham Co. Lithographers Washington DC." Imprint: [Washington, D.C.?] : The Bureau, [1904?] Dimensions: 49 x 44 cm; Scale: 1:63,360 Coordinates: W0855400 W0853400 N0385000 N0383400