TY - RPRT TI - Geohydrologic framework, historical development of the ground-water system, and general hydrologic and water-quality conditions in 1990, South San Francisco Bay and Peninsula area, California AU - John L. Fio AU - David A. Leighton PY - 1995 DO - 10.3133/ofr94357 UR - https://pubs.usgs.gov/publication/ofr94357 ID - ofr94357 ER -