@misc{indiciae3ea8be35076f,
  title = {Geologic map of the alluvial fan of the Chowchilla River and adjacent Foothill area, Mariposa, Merced, Madera counties, California},
  author = {E. J. Helley},
  year = {1978},
  doi = {10.3133/mf927},
  url = {https://pubs.usgs.gov/publication/mf927},
  note = {Source identifier: mf927}
}