Quinn, E. J. (Edward J.)Tharp, W. E. (William Edgar)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?]Scale: 1:63,360; Dimensions: 47 x 63 cmCoordinates: W0864200 W0861500 N0401100 N0395600JPEGVAC3073-M-00766G4093 .B6J3 1912 .T493engUnited States. Bureau of SoilsPublicSoilsClassificationSoil map, Indiana, Boone County sheetMapsIndiana--Boone CountyIndiana1912Indiana University