1981. United States. Soil Conservation Service. Shows land use.; "In cooperation with Alabama Agriculture and Engineering Experiment Stations utilizing Alabama Resource Information System."; Incl... USDA-SCS (Fort Worth, Tex.).
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1980. United States. Soil Conservation Service. Shows land use.; "In cooperation with Alabama Agriculture and Engineering Experiment Stations and Tennessee Valley Authority utilizing Alabama Reso... USDA-SCS (Fort Worth, Tex.).