1904. Mangum, A. W., cartographer, surveyor. and Neill, N. P. (Nelson Prentice),cartographer,surveyor. Shows soil types classification by colors and symbols. 'Field Operations, Bureau of Soils, 1904. 'Andrew B. Graham Co. Lithographers Washington DC.... The Bureau.
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1911. Mangum, A. W. and Neill, N. P. (Nelson Prentice). Shows roads and railroads. Detached from: Soil survey of Scott County, Indiana / A.W. Mangum and N.P. Neill. In 36th Annual report of Department of... Indiana Department of Geology and Natural Resources and William B. Burford.