@misc{indiciae92642a80b9ce,
  title = {Columbia Glacier in 1986; 800 meters retreat},
  author = {R. M. Krimmel},
  year = {1987},
  doi = {10.3133/ofr87207},
  url = {https://pubs.usgs.gov/publication/ofr87207},
  note = {Source identifier: ofr87207}
}