Shows ""prime farmland", "additional farmland of statewide importance," and "other land."; "Base Source: USGS 1:100,000 county base dated 1976 ..."; "Interpretations derived from soil map constructed in 1967 by Cartographic Division, Soil Conservation Service, USDA, of Montgomery County, Pennsylvania."; "March 1980."; Includes location map and inset of eastern portion.
1 map :color ;112 x 92 cm + guide (6 unnumbered pages ; 28 cm)
Scale 1:50,000