@misc{indiciae33edcd4b37ff,
  title = {Geologic map of Los Machos Hills and Caldwell Mesa quadrangles and part of Tar Spring Ridge Quadrangle, California},
  author = {J. G. Vedder and D. G. Howell and Hugh McLean and T. J. Wiley},
  year = {1988},
  doi = {10.3133/ofr88253},
  url = {https://pubs.usgs.gov/publication/ofr88253},
  note = {Source identifier: ofr88253}
}