@misc{indiciae13e761503851,
  title = {Proceedings of the U.S. Geological Survey global change research forum, Herndon, Virginia, March 18-20, 1991},
  author = {K. Mitchell Snow},
  year = {1993},
  doi = {10.3133/cir1086},
  url = {https://pubs.usgs.gov/publication/cir1086},
  note = {Source identifier: cir1086}
}