@misc{indiciae86417fc84c21,
  title = {Geology of the Mid-Atlantic Corridor (GOMAC): A Project of the National Cooperative Geologic Mapping Program},
  author = {J. Wright Horton},
  year = {1998},
  doi = {10.3133/fs18497},
  url = {https://pubs.usgs.gov/publication/fs18497},
  note = {Source identifier: fs18497}
}