@misc{indiciae657023ab1c47,
  title = {The National Map - Elevation},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {2002},
  doi = {10.3133/fs10602},
  url = {https://pubs.usgs.gov/publication/fs10602},
  note = {Source identifier: fs10602}
}