@misc{indiciaee017abf4fbc9,
  title = {Regional Stratigraphy and Petroleum Systems of the Michigan Basin, North America},
  author = {Christopher S. Swezey},
  year = {2008},
  doi = {10.3133/sim2978},
  url = {https://pubs.usgs.gov/publication/sim2978},
  note = {Source identifier: sim2978}
}