@misc{indiciaec5fc8e4e0c1c,
  title = {Digital elevation model (DEM) of Cascadia, latitude 39N-53N, longitude 116W-133W},
  author = {Ralph A. Haugerud},
  year = {1999},
  doi = {10.3133/ofr99369},
  url = {https://pubs.usgs.gov/publication/ofr99369},
  note = {Source identifier: ofr99369}
}