@misc{indiciae2c06814f7c99, title = {Identifying areas of degrading and improving groundwater-quality conditions in the State of California, USA, 1974-2014}, author = {Bryant C. Jurgens and Miranda S. Fram and Jeffrey Rutledge and George L. Bennett}, year = {2020}, doi = {10.1007/s10661-020-8180-y}, url = {https://pubs.usgs.gov/publication/70211219}, note = {Source identifier: 70211219} }