@misc{indiciae29ea40a63331,
  title = {Late Pleistocene diatoms from the Trempealeau Valley, Wisconsin},
  author = {George William Andrews},
  year = {1966},
  doi = {10.3133/pp523a},
  url = {https://pubs.usgs.gov/publication/pp523A},
  note = {Source identifier: pp523A}
}