@misc{indiciaed347fef8217b, title = {Preliminary ground-water-quality data and the extent of the ground-water basin from drill-hole, seismic, and gravity data in the Palo Alto 7.5' Quadrangle, California}, year = {1990}, doi = {10.3133/ofr9074}, url = {https://pubs.usgs.gov/publication/ofr9074}, note = {Source identifier: ofr9074} }