United States. Soil Conservation Service & National GIS Applications Lab (U.S.). (1994). Chesapeake Bay watershed, percent change in farming of prime farmland 1982-1992. The Service ; [Northeast National Technical Center, distributor].
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service and National GIS Applications Lab (U.S.). Chesapeake Bay Watershed, Percent Change in Farming of Prime Farmland 1982-1992. [Washington, D.C.] : [Chester, Pa.]: The Service ; [Northeast National Technical Center, distributor], 1994.
MLA (9th ed.) CitationUnited States. Soil Conservation Service and National GIS Applications Lab (U.S.). Chesapeake Bay Watershed, Percent Change in Farming of Prime Farmland 1982-1992. The Service ; [Northeast National Technical Center, distributor], 1994.