@misc{indiciaec731e0a4aafd,
  title = {Preliminary geologic map of the Big Costilla Peak area, Taos County, New Mexico, and Costilla County, Colorado},
  author = {Christopher J. Fridrich and Ralph R. Shroba and Adam M. Hudson},
  year = {2012},
  doi = {10.3133/ofr20121041},
  url = {https://pubs.usgs.gov/publication/ofr20121041},
  note = {Source identifier: ofr20121041}
}