TY  - BOOK
AU  - Ensz,Edgar H.
ED  - United States.
ED  - South Dakota Agricultural Experiment Station
TI  - Soil survey of Yankton County, South Dakota
U1  - 631.47783394 
PY  - 1979///
CY  - Washington
PB  - National Cooperative Soil Survey
KW  - Soils
KW  - South Dakota
KW  - Yankton County
KW  - Maps
KW  - Soil surveys
N1  - Cover title; Bibliography: p. 95
ER  -