@misc{indiciae27de7fba93ef,
  title = {Geologic map of the Broadwell Lake quadrangle, San Bernardino County, California},
  author = {T. W. Dibblee},
  year = {1967},
  doi = {10.3133/i478},
  url = {https://pubs.usgs.gov/publication/i478},
  note = {Source identifier: i478}
}