@misc{indiciae3b6da582316b,
  title = {Deglaciation and postglacial treeline fluctuation in the northern San Juan Mountains, Colorado},
  author = {Paul E. Carrara},
  year = {2011},
  doi = {10.3133/pp1782},
  url = {https://pubs.usgs.gov/publication/pp1782},
  note = {Source identifier: pp1782}
}