TY - RPRT TI - Ground-water-flow modeling and optimization techniques applied to high-ground-water problems in San Bernardino, California AU - W.R. Danskin AU - J. R. Freckleton PY - 1989 DO - 10.3133/ofr8975 UR - https://pubs.usgs.gov/publication/ofr8975 ID - ofr8975 ER -