Guide defines Prime Farmland, Unique Farmland, Additional Farmland of Statewide Importance, Additional Farmland of Local Importance and lists the soil mapping units for Prime Farmland and Additional Farmland of Statewide Importance., Shows "prime farmland", "unique farmland, other than prime", "additional farmland of statewide importance", "additional farmland of local importance", and "other land."; "Interpretations derived from soil map constructed in 1971 by Cartographic Division, Soil Conservation Service, U.S.D.A. of Blair County, Pennsylvania."; "Base source: U.S.G.S. 1:100,000 county base dated 1979."; "Projection and 10,000-metre grid ticks, zone 17: Universal Transverse Mercator. 25,000-foot grid ticks based on Pennsylvania coordinate system, south zone."; "October 1980."; Includes location map and legend., 1 map :color ;115 x 88 cm + guide (6 unnumbered pages ; 28 cm)., Scale 1:50,000
United States. Soil Conservation Service (n.d.). Important farmlands, Blair County, Pennsylvania. United States. Soil Conservation Service. http://cdm17287.contentdm.oclc.org/cdm/ref/collection/maps1/id/33464 (map)