@misc{indiciae8fc2d892d254,
  title = {Geology and oil and gas possibilities of the Devonian Sylvania and Bois Blanc formations in Michigan},
  author = {Kenneth K. Landes},
  year = {1945},
  doi = {10.3133/om28},
  url = {https://pubs.usgs.gov/publication/om28},
  note = {Source identifier: om28}
}