@misc{indiciaeb8fb98affe8b,
  title = {The 3D Elevation Program: Summary for South Dakota},
  author = {William J. Carswell},
  year = {2014},
  doi = {10.3133/fs20133084},
  url = {https://pubs.usgs.gov/publication/fs20133084},
  note = {Source identifier: fs20133084}
}