@misc{indiciae53015e72e8c3,
  title = {Recent sedimentary history of Lake Monona, Wisconsin},
  author = {Gilbert C. Bortleson and G.F. Lee},
  year = {1975},
  doi = {10.1007/bf01794132},
  url = {https://pubs.usgs.gov/publication/70001262},
  note = {Source identifier: 70001262}
}