TY - RPRT TI - Status of groundwater quality in the Upper Santa Ana Watershed, November 2006--March 2007--California GAMA Priority Basin Project AU - Robert Kent AU - Kenneth Belitz PY - 2012 DO - 10.3133/sir20125052 UR - https://pubs.usgs.gov/publication/sir20125052 ID - sir20125052 ER -