TY  - RPRT
TI  - Water-level records for the Big Sioux aquifer, Minnehaha County, South Dakota
AU  - Wendell L. Bradford
PY  - 1981
DO  - 10.3133/ofr81222
UR  - https://pubs.usgs.gov/publication/ofr81222
ID  - ofr81222
ER  -