Childress, J. D. (1992). Soil survey of Bell and Harlan counties, Kentucky. Soil Conservation Service.
Chicago Style (17th ed.) CitationChildress, J. Daniel. Soil Survey of Bell and Harlan Counties, Kentucky. [Washington, D.C.?]: Soil Conservation Service, 1992.
MLA (9th ed.) CitationChildress, J. Daniel. Soil Survey of Bell and Harlan Counties, Kentucky. Soil Conservation Service, 1992.
Warning: These citations may not always be 100% accurate.