@misc{indiciae7630a3660b7e,
  title = {Geology and mineral deposits of the Keweenaw Peninsula and vicinity, Michigan},
  author = {William F. Cannon and Michele Ellen McRae and Suzanne W. Nicholson},
  year = {1999},
  doi = {10.3133/ofr99149},
  url = {https://pubs.usgs.gov/publication/ofr99149},
  note = {Source identifier: ofr99149}
}