@misc{indiciae4e8e3991b4c5,
  title = {Geology and nickel mineralization of the Julian-Cuyamaca area, San Diego County, California},
  author = {S. C. Creasey},
  year = {1946},
  url = {https://pubs.usgs.gov/publication/70047874},
  note = {Source identifier: 70047874}
}