United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. (1944). Soil survey, Vanderburgh County, Ind. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Soil Survey, Vanderburgh County, Ind. [Washington]: [s.n.], 1944.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Soil Survey, Vanderburgh County, Ind. [s.n.], 1944.
Warning: These citations may not always be 100% accurate.