TY - RPRT TI - Geology and hydrogeology of the Yucaipa groundwater subbasin, San Bernardino and Riverside Counties, California AU - Geoffrey Cromwell AU - Jonathan C. Matti PY - 2022 DO - 10.3133/sir20215129 UR - https://pubs.usgs.gov/publication/sir20215129 ID - sir20215129 ER -