@misc{indiciae171b2255ace1,
  title = {Geology and manganese deposits of the Lucifer district, northwest of Santa Rosalia, Baja California, Mexico},
  author = {Ivan Franklin Wilson and Mario Veytia},
  year = {1949},
  doi = {10.3133/b960f},
  url = {https://pubs.usgs.gov/publication/b960F},
  note = {Source identifier: b960F}
}