@misc{indiciaebb4cf4aaa967,
  title = {Diagrammatic restored section of the Inyan Kara group, Morrison formation, and Unkpapa sandstone of the western side of the Black Hills, Wyoming and South Dakota},
  author = {W. J. Mapel and G. B. Gott},
  year = {1959},
  doi = {10.3133/mf218},
  url = {https://pubs.usgs.gov/publication/mf218},
  note = {Source identifier: mf218}
}