@misc{indiciaeb3a2f5a6ed9c,
  title = {Structure contour and overburden maps of the Niobrara interval of the Upper Cretaceous Cody Shale in the Bighorn Basin, Wyoming and Montana},
  author = {Thomas M. Finn},
  year = {2020},
  doi = {10.3133/sim3457},
  url = {https://pubs.usgs.gov/publication/sim3457},
  note = {Source identifier: sim3457}
}