[by Joseph R. Overton ... and others ; correlation by Max J. Edwards] ; United States Department of Agriculture, Soil Conservation Service in cooperation with Tennessee Agricultural Experiment Station and Tennessee Valley Authority
United States Department of Agriculture, Natural Resources Conservation Service ; in cooperation with the Tennessee Agricultural Experiment Station, the Jefferson County Board of Commissioners, and the Tennessee Department of Agriculture
[by C.J. Fox ... and others ; correlation by L.E. Odom] ; United States Department of Agriculture, Soil Conservation Service in cooperation with Tennessee Agricultural Experiment Station, Tennessee Valley Authority
[by C.J. Fox ... [and others] ; correlation by L.E. Odom] ; United States Department of Agriculture, Soil Conservation Service in cooperation with Tennessee Agricultural Experiment Station, Tennessee Valley Authority