@misc{indiciaec6ba25e74f34,
  title = {Foreward: Geology Field Trips in and around the U.S. Capital},
  author = {Christopher S. Swezey and Mark W. Carter},
  year = {2020},
  doi = {10.1130/2020.0057(00)},
  url = {https://pubs.usgs.gov/publication/70209422},
  note = {Source identifier: 70209422}
}