@misc{indiciae644741120659,
  title = {Preliminary geologic map of the southern part of the Three Lakes 7 1/2-minute quadrangle, Baraga County, Michigan},
  author = {J. S. Klasner and William F. Cannon},
  year = {1975},
  doi = {10.3133/ofr758},
  url = {https://pubs.usgs.gov/publication/ofr758},
  note = {Source identifier: ofr758}
}