@misc{indiciaeb29f65c1ae8a,
  title = {Geologic map of the Washington West quadrangle, District of Columbia, Montgomery and Prince Georges counties, Maryland, and Arlington and Fairfax counties, Virginia},
  author = {Anthony H. Fleming and Avery Ala Drake and Lucy McCartan},
  year = {1994},
  doi = {10.3133/gq1748},
  url = {https://pubs.usgs.gov/publication/gq1748},
  note = {Source identifier: gq1748}
}