@misc{indiciae3c1481d7f47d, title = {Geochemical relations and distribution of selected trace elements in ground water of the northern part of the western San Joaquin Valley, California}, author = {Neil M. Dubrovsky and John M. Neil and Mary C. Welker and Kristin D. Evenson}, year = {1991}, doi = {10.3133/wsp2380}, url = {https://pubs.usgs.gov/publication/wsp2380}, note = {Source identifier: wsp2380} }