@misc{indiciae917f1c1e06b6,
  title = {Geology and paleontology of Canal Zone and adjoining parts of Panama; geology and description of Tertiary mollusks (gastropods: Trochidae to Turritellidae)},
  author = {W. P. Woodring},
  year = {1957},
  doi = {10.3133/pp306a},
  url = {https://pubs.usgs.gov/publication/pp306A},
  note = {Source identifier: pp306A}
}