TY - RPRT TI - Minimum elevation of the piezometric surface of the lower water-bearing zone as of 1960, Los Banos-Kettleman City area, California AU - William B. Bull PY - 1962 DO - 10.3133/ofr6218 UR - https://pubs.usgs.gov/publication/ofr6218 ID - ofr6218 ER -