@misc{indiciae30dfc498c580,
  title = {Upper Cretaceous rocks at Lake Traverse in western Minnesota},
  author = {George W. Shurr},
  year = {1979},
  doi = {10.3133/ofr79379},
  url = {https://pubs.usgs.gov/publication/ofr79379},
  note = {Source identifier: ofr79379}
}