@misc{indiciae6e71650ca8e1,
  title = {Upper Cretaceous tectonic activity on lineaments in western South Dakota},
  author = {George W. Shurr},
  year = {1979},
  doi = {10.3133/ofr791374},
  url = {https://pubs.usgs.gov/publication/ofr791374},
  note = {Source identifier: ofr791374}
}