@misc{indiciae4ce6a72a4fbe,
  title = {National requirements for improved elevation data},
  author = {Gregory I. Snyder and Larry J. Sugarbaker and Allyson L. Jason and David F. Maune},
  year = {2014},
  doi = {10.3133/ofr20131237},
  url = {https://pubs.usgs.gov/publication/ofr20131237},
  note = {Source identifier: ofr20131237}
}