@misc{indiciae4e3a81deecd4,
  title = {Precambrian geology of Florence East quadrangle, Florence County, Wisconsin, and Iron County, Michigan},
  author = {Carl E. Dutton and H. L. James and R. W. Johnson and K. L. Wier},
  year = {1966},
  doi = {10.3133/ofr6637},
  url = {https://pubs.usgs.gov/publication/ofr6637},
  note = {Source identifier: ofr6637}
}