@misc{indiciae7171058b8700,
  title = {Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River basin, Natrona, Converse, and Niobrara Counties, Wyoming, section C-C'},
  author = {E.A. Merewether and W. A. Cobban and R.M. Matson and W.J. Magathan},
  year = {1977},
  doi = {10.3133/oc75},
  url = {https://pubs.usgs.gov/publication/oc75},
  note = {Source identifier: oc75}
}