@misc{indiciae3e5d15bbab25,
  title = {Holocene climatic and limnologic history of the north-central United States as recorded in the varved sediments of Elk Lake, Minnesota: A synthesis},
  author = {J. Platt Bradbury and Walter E. Dean and R.Y. Anderson},
  year = {1993},
  doi = {10.1130/spe276-p309},
  url = {https://pubs.usgs.gov/publication/70207740},
  note = {Source identifier: 70207740}
}