@misc{indiciaec6a5b9740707,
  title = {High-resolution digital elevation model of Mount St. Helens crater and upper North Fork Toutle River basin, Washington, based on an airborne lidar survey of September 2009},
  author = {Adam R. Mosbrucker},
  year = {2014},
  doi = {10.3133/ds904},
  url = {https://pubs.usgs.gov/publication/ds904},
  note = {Source identifier: ds904}
}