@misc{indiciae17fa175e615f, title = {Geologic setting of the Yucaipa Quadrangle, San Bernardino and Riverside counties, California}, author = {J. C. Matti and D. M. Morton and B. F. Cox and S. E. Carson and T. J. Yetter}, year = {1992}, doi = {10.3133/ofr92446}, url = {https://pubs.usgs.gov/publication/ofr92446}, note = {Source identifier: ofr92446} }