@misc{indiciae7436b9039a65, title = {Hydrogeologic study of the Soquel-Aptos area, Santa Cruz County, California}, author = {John J. Hickey}, year = {1968}, doi = {10.3133/ofr68129}, url = {https://pubs.usgs.gov/publication/ofr68129}, note = {Source identifier: ofr68129} }