@misc{indiciaefdfd7e94a3b7,
  title = {National Elevation Dataset},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1999},
  doi = {10.3133/fs14899},
  url = {https://pubs.usgs.gov/publication/fs14899},
  note = {Source identifier: fs14899}
}