@misc{indiciae0f8fd0efb3ca,
  title = {A climatic record from 14C-dated wood fragments from southwestern Colorado},
  author = {S. Epstein and X. Xu and P. Carrara},
  year = {1999},
  doi = {10.1029/1999gb900005},
  url = {https://pubs.usgs.gov/publication/70021309},
  note = {Source identifier: 70021309}
}