Soil survey, Ross County, Ohio - Petro, James H.; Shumate, W. H. (William H.); Tabb, Marion F.; United States. Soil Conservation Service (Washington] : U.S. Dept. of Agriculture, Soil Conservation Service : [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1967)
Cover title.
Bibliography: p. 158.
Keywords: Soils -- Ohio -- Ross County -- Maps; Soil surveys -- Ohio -- Ross County