@misc{indiciae022d2e4a10f7,
  title = {Geologic map and sections of the Joyita Hills area, Socorro County, New Mexico (with emphasis on Tertiary volcanic rocks)},
  author = {Ernest J. Spradlin},
  year = {1975},
  doi = {10.3133/ofr75139},
  url = {https://pubs.usgs.gov/publication/ofr75139},
  note = {Source identifier: ofr75139}
}