Interpretations derived from soil map constructed 1975 by Cartographic Division, Soil Conservation Service, USDA, of Suffolk County, New York.; "Base source: USGS 1:100,000 county base map dated 1976."; "Projection and 10,000-metre grid ticks, zones 18 and 19: Universal Transverse Mercator. 25,000-foot grid ticks based on New York coordinate system, Long Island zone."; "October 1978."; Includes location map., 1 map on 3 sheets :color ;157 x 290 cm, sheets 102 x 122 cm and 122 x 102 cm, Scale 1:50,000, Universal Transverse Mercator proj.
United States. Soil Conservation Service (n.d.). Important farmlands, Suffolk County, New York. United States. Soil Conservation Service. http://cdm17287.contentdm.oclc.org/cdm/ref/collection/maps1/id/33493 (map)