@misc{indiciae61f3c313a8a5,
  title = {Nature and style of deformation in the foreland of the early Proterozoic Penokean Orogen, northern Michigan},
  author = {John S. Klasner and R.W. Ojakangas and K. J. Schulz and G.L. LaBerge},
  year = {1991},
  doi = {10.3133/b1904k},
  url = {https://pubs.usgs.gov/publication/b1904K},
  note = {Source identifier: b1904K}
}