@misc{indiciae8c6943324411,
  title = {Geology of Shawnee County, Kansas},
  author = {William D. Johnson and Windsor Lester Adkison and Holly Clyde Wagner},
  year = {1967},
  doi = {10.3133/b1215ab},
  url = {https://pubs.usgs.gov/publication/b1215AB},
  note = {Source identifier: b1215AB}
}