United States. Soil Conservation ServiceShows "Prime farmland," "Unique farmland, other than prime," and "Additional farmland of statewide."; "March 1977."; "Interpretations derived from soil map constructed 1961 by Cartographic Division, Soil Conservation Service, USDA, of Mason County, West Virginia."; "Base source: USGS 1:100,000 county base map compiled 1976."; Includes location map.1 map :color ;112 x 92 cmScale 1:50,000Universal Transverse Mercator proj.JPEGeng.United States. Soil Conservation ServicePublicImportant farmlands, Mason Co., West VirginiaMapsWest Virginia--Mason CountyWest Virginia1977Pennsylvania State University