1914. Peacock, R. H., surveyor., Rose, C. M., surveyor., and Tharp, W. E. (William Edgar),cartographer,surveyor. Shows soil types classification by colors and symbols. 'A. Hoen & Co. Lith. Baltimore, Md.' 'Field operations Bureau of Soils 1914.' Scale 1:63,360... The Bureau.
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1914. Grimes, E. J. (Earl Jerome),1893-cartographer. and Stevens, E. H. (Edmund H.),1892-cartographer. Shows soil types classification by colors and symbols. 'Field Operations, Bureau of Soils, 1914.' 'Snyder & Black, N.Y.' Scale 1:63,360. 1 inch = 1... The Bureau.