@misc{indiciaeaf74bc427c3f,
  title = {Holocene environmental and climatic change in the Northern Great Plains as recorded in the geochemistry of sediments in Pickerel Lake, South Dakota},
  author = {W.E. Dean and A. Schwalb},
  year = {2000},
  doi = {10.1016/s1040-6182(00)00004-5},
  url = {https://pubs.usgs.gov/publication/70022658},
  note = {Source identifier: 70022658}
}