@misc{indiciae2bddd939351d,
  title = {Geophysical and lithologic logs of 1980-81 coal drilling in the Warrior coal field, Tuscaloosa, Fayette, and Walker counties, Alabama},
  author = {Robert W. Hall and Ronald Law and William Markewich and C.A. Horsey and W.E. Ward and R.L. Barnett},
  year = {1981},
  doi = {10.3133/ofr81618},
  url = {https://pubs.usgs.gov/publication/ofr81618},
  note = {Source identifier: ofr81618}
}