Soil and water conservation districts :
Status of organization, by States, approximate acreage and farms in organized districts, as of July 1, 1968.

APA Citation

United States. Soil Conservation Service. (1968). Soil and water conservation districts: Status of organization, by States, approximate acreage and farms in organized districts, as of July 1, 1968. Washington: U.S. Dept. of Agriculture, Soil Conservation Service.

MLA Citation

United States. Soil Conservation Service. Soil And Water Conservation Districts: Status of Organization, by States, Approximate Acreage And Farms In Organized Districts, As of July 1, 1968. Washington: U.S. Dept. of Agriculture, Soil Conservation Service, 1968.