@misc{indiciaeec8e7fb3e0cf,
  title = {The National Map: from geography to mapping and back again},
  author = {John A. Kelmelis and Mark L. DeMulder and Charles E. Ogrosky and J. Nicholas Van Driel and Barbara J. Ryan},
  year = {2003},
  doi = {10.14358/pers.69.10.1109},
  url = {https://pubs.usgs.gov/publication/70156743},
  note = {Source identifier: 70156743}
}