TY - RPRT TI - Trends in concentrations of nitrate and total dissolved solids in public supply wells of the Bunker Hill, Lytle, Rialto, and Colton groundwater subbasins, San Bernardino County, California: Influence of legacy land use AU - Robert Kent AU - Matthew K. Landon PY - 2013 DO - 10.1016/j.scitotenv.2013.02.042 UR - https://pubs.usgs.gov/publication/70047546 ID - 70047546 ER -