@misc{indiciaed70c42dfe20c,
  title = {The Campton oil pool, Kentucky. Oil and gas development in Knox County, Kentucky},
  author = {M. J. Munn},
  year = {1912},
  doi = {10.3133/b471a1},
  url = {https://pubs.usgs.gov/publication/b471A1},
  note = {Source identifier: b471A1}
}