1905. Neill, N. P.(Nelson Prentice), cartographer. Shows soil types classification by colors and symbols.; Field Operations, Bureau of Soils, 1905.; A. Hoen & Co. Lith. Baltimore, Md. Scale 1:63,360... The Bureau.
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1905. Neill, N. P.(Nelson Prentice), cartographer. Shows soil types classification by colors and symbols.; Field Operations, Bureau of Soils, 1905.; Breuker & Kessler Co. Phila. Scale 1:63,360. 1 in... The Bureau.