@misc{indiciae0144a0c72fc7, title = {Insights into controls on hexavalent chromium in groundwater provided by environmental tracers, Sacramento Valley, California, USA}, author = {Andrew H. Manning and Christopher T. Mills and Jean M. Morrison and Lyndsay B. Ball}, year = {2015}, doi = {10.1016/j.apgeochem.2015.05.010}, url = {https://pubs.usgs.gov/publication/70160922}, note = {Source identifier: 70160922} }