TY - RPRT TI - Gravity survey data (and a Bouguer gravity anomaly map) of south-central and southwest South Dakota AU - J. S. Klasner AU - R.P. Kucks PY - 1988 DO - 10.3133/ofr88552 UR - https://pubs.usgs.gov/publication/ofr88552 ID - ofr88552 ER -