@misc{indiciaead120ad723f8,
  title = {Coelenterata of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming},
  author = {William Jasper Sando},
  year = {1975},
  doi = {10.3133/pp848c},
  url = {https://pubs.usgs.gov/publication/pp848C},
  note = {Source identifier: pp848C}
}