@misc{indiciaed6f4397cdd5f,
  title = {Geometry of Upper Cretaceous bentonite beds: Implications about volcanic source areas and paleowind patterns, western interior, United States},
  author = {W.P. Elder},
  year = {1988},
  doi = {10.1130/0091-7613(1988)016<0835:goucbb>2.3.co;2},
  url = {https://pubs.usgs.gov/publication/70014379},
  note = {Source identifier: 70014379}
}