@misc{indiciaebcdbc9c65bd4,
  title = {Geologic map of the Descanso Quadrangle, San Diego County, California},
  author = {Wendy C. Hoggatt and Victoria R. Todd},
  year = {1977},
  doi = {10.3133/ofr77406},
  url = {https://pubs.usgs.gov/publication/ofr77406},
  note = {Source identifier: ofr77406}
}