@misc{indiciaecfda181917ae,
  title = {The Reany Creek Formation, Marquette County, Michigan},
  author = {Willard P. Puffett},
  year = {1969},
  doi = {10.3133/b1274f},
  url = {https://pubs.usgs.gov/publication/b1274F},
  note = {Source identifier: b1274F}
}