@misc{indiciaeed628ac0c65c,
  title = {Geology and oil and gas possibilities of Trenton and Black River limestones of the Michigan basin, Michigan and adjacent areas},
  author = {G. V. Cohee},
  year = {1945},
  doi = {10.3133/oc11},
  url = {https://pubs.usgs.gov/publication/oc11},
  note = {Source identifier: oc11}
}