@misc{indiciae8fdb29330291,
  title = {EAARL topography: George Washington Birthplace National Monument},
  author = {John Brock and C. Wayne Wright and Matt Patterson and Amar Nayegandhi and Judd Patterson},
  year = {2007},
  doi = {10.3133/ofr20071179},
  url = {https://pubs.usgs.gov/publication/ofr20071179},
  note = {Source identifier: ofr20071179}
}