South Dakota Soil Surveys and Maps
To request surveys or to find web soil surveys contact the South
Dakota state office of the Natural Resources Conservation Service (NRCS).
SU: A 57.38:W 17/3
CA: United States. Soil Conservation Service.
South Dakota Agricultural Experiment Station.
TI: Soil survey of Walworth County, South Dakota.
SO: [Washington, D.C.?] : U.S. Dept. of Agriculture, Soil Conservation Service,
PD: viii, 181 p., 57 folded p. of plates : ill., maps (1 col.) ; 28 cm
SU: A 47.5: 923/33
AU: J.A. Machlis and G.A. Larson
CA: United States Agriculture Department. Chemistry and Soils Bureau; South Dakota
Agricultural Experiment Station
TI: Soil survey, Walworth County, S. Dak.
SO: [Washington]; United States Agriculture Department. Chemistry and Soils Bureau,
PD: cover title, p. 1095-1121, il. map