TY - RPRT TI - Ground-water investigation for U.S. Air Force Launch Control Facility O-O, Griggs County, North Dakota AU - G.L. Sunderland AU - Joe S. Downey PY - 1975 DO - 10.3133/ofr75345 UR - https://pubs.usgs.gov/publication/ofr75345 ID - ofr75345 ER -