@misc{indiciaea219bb5f6f89,
  title = {Graphic lithologic logs of four U.S. Geological Survey cores of carboniferous rocks, Lawrence County, Kentucky},
  author = {Carol Waite Connor},
  year = {1975},
  doi = {10.3133/ofr75316},
  url = {https://pubs.usgs.gov/publication/ofr75316},
  note = {Source identifier: ofr75316}
}