@misc{indiciae03878341794d,
  title = {The National Map seamless digital elevation model specifications},
  author = {Christy-Ann M. Archuleta and Eric W. Constance and Samantha T. Arundel and Amanda J. Lowe and Kimberly S. Mantey and Lori A. Phillips},
  year = {2017},
  doi = {10.3133/tm11b9},
  url = {https://pubs.usgs.gov/publication/tm11B9},
  note = {Source identifier: tm11B9}
}