@misc{indiciae585e53b90758,
  title = {Pollen sequence at Kirchner Marsh, Minnesota},
  author = {T. C. Winter},
  year = {1962},
  doi = {10.1126/science.138.3539.526},
  url = {https://pubs.usgs.gov/publication/70010717},
  note = {Source identifier: 70010717}
}