@misc{indiciaebe61ab3dba42,
  title = {Geology of the Cloverport quadrangle, Kentucky-Indiana and the Kentucky part of the Cannelton quadrangle},
  author = {M.H. Bergendahl},
  year = {1965},
  doi = {10.3133/gq273},
  url = {https://pubs.usgs.gov/publication/gq273},
  note = {Source identifier: gq273}
}