@misc{indiciaefba9aef75a0b,
  title = {Second interim report - black shale investigations (Chattanooga)},
  author = {Louis C. Conant},
  year = {1949},
  doi = {10.3133/tei58},
  url = {https://pubs.usgs.gov/publication/tei58},
  note = {Source identifier: tei58}
}