@misc{indiciae8c7dc1893312,
  title = {Karst of the Mid-Atlantic region in Maryland, West Virginia, and Virginia},
  author = {Daniel H. Doctor and David J. Weary and David K. Brezinski and Randall C. Orndorff and Lawrence E. Spangler},
  year = {2015},
  doi = {10.1130/2015.0040(11)},
  url = {https://pubs.usgs.gov/publication/70175740},
  note = {Source identifier: 70175740}
}