Title: Soil survey of Douglas County, South Dakota.
Authors: Ward, Elmer M.; United States.; South Dakota Agricultural Experiment Station.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service,
Year: 1981
Subjects: Soils South Dakota Douglas County Maps.; Soil surveys South Dakota Douglas County.; Sols Dakota du Sud Douglas Cartes.; Soil surveys; Soils; South Dakota Douglas County