@misc{indiciae8575cf1389b4,
  title = {Pre-Cambrian geology of the Norway Lake area, Dickinson County, Michigan},
  author = {Lorin Delbert Clark},
  year = {1953},
  doi = {10.3133/ofr5337},
  url = {https://pubs.usgs.gov/publication/ofr5337},
  note = {Source identifier: ofr5337}
}