@misc{indiciaeca109915d373,
  title = {Preliminary Quaternary geologic map of the Madera area, California},
  author = {Denis E. Marchand},
  year = {1976},
  doi = {10.3133/ofr76841},
  url = {https://pubs.usgs.gov/publication/ofr76841},
  note = {Source identifier: ofr76841}
}