@misc{indiciae40dc1292e1c1, title = {Water resources data for California, 1972; Part 2: Water quality records}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1973}, doi = {10.3133/wdrca722}, url = {https://pubs.usgs.gov/publication/wdrCA722}, note = {Source identifier: wdrCA722} }