@misc{indiciae76d2e134666a,
  title = {Geologic map and digital database of the Bachelor Mountain 7.5' quadrangle, Riverside County, California},
  author = {Douglas M. Morton and Michael P. Kennedy and Kelly R. Bovard and Diane Burns},
  year = {2003},
  doi = {10.3133/ofr03103},
  url = {https://pubs.usgs.gov/publication/ofr03103},
  note = {Source identifier: ofr03103}
}