@misc{indiciaef501c7360c41,
  title = {Stratigraphy of the Inyan Kara group in the Black Hills},
  author = {Karl M. Waage},
  year = {1959},
  doi = {10.3133/b1081b},
  url = {https://pubs.usgs.gov/publication/b1081B},
  note = {Source identifier: b1081B}
}