Shows "prime farmland", "unique farmland, other than prime", "additional farmland of statewide importance" and "other land."; "Base Source: USGS 1:100,000 county base dated 1975 ..."; "Interpretations derived from soil map constructed in 1960 by Cartographic Division, Soil Conservation Service, USDA, of Erie County, Pennsylvania."; "March 1978."; Includes location map, inset, and note., 1 map on 2 sheets :color ;91 x 151 cm on sheets 101 x 121 cm, Scale 1:50,000
United States. Soil Conservation Service (n.d.). Important farmlands, Erie County, Pennsylvania. United States. Soil Conservation Service. http://cdm17287.contentdm.oclc.org/cdm/ref/collection/maps1/id/33673 (map)