Jones, Grove B., 1877-Shows soil types classification by colors and symbols. "Field Operations, Bureau of Soils, 1912." A. "Hoen & co. Lith. Baltimore, Md."Imprint: [Washington, D.C.?] : The Bureau, [1912?]Dimensions: 44 x 50 cmJPEGG4093.M8J3 1912 .J66engUnited States. Bureau of SoilsPublicMines and mineral resourcesSoilsGeologySoil map Indiana Montgomery County sheetMapsIndiana--Montgomery CountyIndiana1912Indiana University