@misc{indiciae53435bf2a9b9, title = {Preliminary geologic map of the Murrieta 7.5' quadrangle, Riverside County, California}, author = {Michael P. Kennedy and Douglas M. Morton}, year = {2003}, doi = {10.3133/ofr03189}, url = {https://pubs.usgs.gov/publication/ofr03189}, note = {Source identifier: ofr03189} }