@misc{indiciae571fe3baac7b,
  title = {Aeromagnetic map of the western central Sierra Nevada, California},
  author = {David A. Ponce},
  year = {1984},
  doi = {10.3133/ofr84216},
  url = {https://pubs.usgs.gov/publication/ofr84216},
  note = {Source identifier: ofr84216}
}