@misc{indiciaefcba43657749,
  title = {Mafic-ultramafic layered intrusion at Iron Mountain, Fremont County, Colorado},
  author = {Daniel R. Shawe and Raymond Laurence Parker},
  year = {1967},
  doi = {10.3133/b1251a},
  url = {https://pubs.usgs.gov/publication/b1251A},
  note = {Source identifier: b1251A}
}