@misc{indiciaef88facd1c675,
  title = {The 3D Elevation Program: summary for Oklahoma},
  author = {William J. Carswell},
  year = {2014},
  doi = {10.3133/fs20143053},
  url = {https://pubs.usgs.gov/publication/fs20143053},
  note = {Source identifier: fs20143053}
}