Shows soil types classification by colors and symbols. Soils surveyed by Grove B. Jones and Cornelius Van Duyne. "Field operations Bureau of Soils 1908." Imprint: [Washington, D.C.?] : The Bureau, [1908] Scale: 1:63,360; Dimensions: 61 x 71 cm Coordinates: W0852018 W0844810 N0411616 N0405459