@misc{indiciaefaf978361cb7,
  title = {Depth and thickness of selected units in Upper Permian, Upper Jurassic, and Lower Cretaceous rocks in southwestern Kansas},
  author = {Jack Kume and Joseph M. Spinazola},
  year = {1984},
  doi = {10.3133/wri834095},
  url = {https://pubs.usgs.gov/publication/wri834095},
  note = {Source identifier: wri834095}
}