@misc{indiciaeda589f6e7403,
  title = {Maps and sections of the Berea sandstone in eastern Michigan},
  author = {G. V. Cohee and L.B. Underwood},
  year = {1944},
  doi = {10.3133/om17},
  url = {https://pubs.usgs.gov/publication/om17},
  note = {Source identifier: om17}
}