@misc{indiciaeb9d61fb3f269,
  title = {Stratigraphic relationships within the Baraga Group of Precambrian age, central Upper Peninsula, Michigan},
  author = {W.F. Cannon and John S. Klasner},
  year = {1974},
  url = {https://pubs.usgs.gov/publication/70232660},
  note = {Source identifier: 70232660}
}