@misc{indiciae27733c80b9eb,
  title = {Paleomagnetism of the Middle Proterozoic Electra Lake Gabbro, Needle Mountains, southwestern Colorado},
  author = {S. S. Harlan and J. W. Geissman},
  year = {1998},
  doi = {10.1029/98jb01350},
  url = {https://pubs.usgs.gov/publication/70020759},
  note = {Source identifier: 70020759}
}