TY - RPRT TI - Water-quality data for selected wells and drains in the Oakes study area, south-central North Dakota, December 1986 through September 1987 AU - James D. Wald AU - C.S. Helgesen AU - M.C. Pokladnik PY - 1989 DO - 10.3133/ofr8963 UR - https://pubs.usgs.gov/publication/ofr8963 ID - ofr8963 ER -