@misc{indiciae57dc41f50492,
  title = {The origin and development of plains-type folds during the cretaceous in Central and western Kansas},
  author = {D. F. Merriam and A. Forster},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/70022196},
  note = {Source identifier: 70022196}
}