@misc{indiciae4a6f5353083b,
  title = {Geologic map and cross sections of the Leonardtown 30 x 60-minute quadrangle, Maryland and Virginia},
  author = {Lucy McCartan and Wayne L. Newell and James P. Owens and Gary M. Bradford},
  year = {1996},
  doi = {10.3133/ofr95665},
  url = {https://pubs.usgs.gov/publication/ofr95665},
  note = {Source identifier: ofr95665}
}