@misc{indiciae53c4d400d732,
  title = {Stratigraphy of the Mascot-Jefferson City zinc district, Tennessee},
  author = {Josiah Bridge},
  year = {1956},
  doi = {10.3133/pp277},
  url = {https://pubs.usgs.gov/publication/pp277},
  note = {Source identifier: pp277}
}