@misc{indiciae71f34f96f115,
  title = {Characteristic marine molluscan fossils from the Dakota sandstone and intertongued Mancos Shale, west-central New Mexico},
  author = {William Aubrey Cobban},
  year = {1977},
  doi = {10.3133/pp1009},
  url = {https://pubs.usgs.gov/publication/pp1009},
  note = {Source identifier: pp1009}
}