@misc{indiciae940f5894d492,
  title = {Map showing avalanche areas in the Aspen Quadrangle, Pitkin County, Colorado},
  author = {Bruce Bryant},
  year = {1972},
  doi = {10.3133/i785g},
  url = {https://pubs.usgs.gov/publication/i785G},
  note = {Source identifier: i785G}
}