United States. Natural Resources Conservation Service & Argabright, M. S. (1995). RCA III, a historical study of soil conservation in the northern Mississippi Valley Loess Hills, 1930-1992. U.S. Dept. of Agriculture, Natural Resources Conservation Service.
Chicago Style (17th ed.) CitationUnited States. Natural Resources Conservation Service and M. Scott Argabright. RCA III, a Historical Study of Soil Conservation in the Northern Mississippi Valley Loess Hills, 1930-1992. [Washington, D.C.]: U.S. Dept. of Agriculture, Natural Resources Conservation Service, 1995.
MLA (9th ed.) CitationUnited States. Natural Resources Conservation Service and M. Scott Argabright. RCA III, a Historical Study of Soil Conservation in the Northern Mississippi Valley Loess Hills, 1930-1992. U.S. Dept. of Agriculture, Natural Resources Conservation Service, 1995.