United States. Soil Conservation Service, Kentucky Natural Resources and Environmental Protection Cabinet, & Kentucky Agricultural Experiment Station. (1991). Soil survey of Marion County, Kentucky. The Service.
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service, Kentucky Natural Resources and Environmental Protection Cabinet, and Kentucky Agricultural Experiment Station. Soil Survey of Marion County, Kentucky. [Washington, D.C.?]: The Service, 1991.
MLA (9th ed.) CitationUnited States. Soil Conservation Service, et al. Soil Survey of Marion County, Kentucky. The Service, 1991.
Warning: These citations may not always be 100% accurate.