Base Source: USGS 1:100,000 county base dated 1976...; "Interpretation derived from soil map constructed in 1970 by Cartographic Division, Soil Conservation Service, USDA, of Berks County, Pennsylvania".; Includes location map and note.; Shows "prime farmland", "unique farmland", "prime farmland that also qualifies as unique", "additional farmland of statewide importance", "additional farmland that qualifies as agricultural capability class IV", and "other land"., 1 map on 2 sheets :color ;111 x 180 cm, sheets 122 x 101 cm, Scale 1:50,000
United States. Soil Conservation Service (n.d.). Important farmlands, Berks County, Pennsylvania. United States. Soil Conservation Service. http://cdm17287.contentdm.oclc.org/cdm/ref/collection/maps1/id/33700 (map)