@misc{indiciaed2fd4504fb1e,
  title = {Forum on Geologic mapping applications in the Washington-Baltimore urban area; proceedings; Reston, Virginia, April 23, 1997},
  author = {J. Wright Horton and Emery T. Cleaves},
  year = {1997},
  doi = {10.3133/cir1148},
  url = {https://pubs.usgs.gov/publication/cir1148},
  note = {Source identifier: cir1148}
}