TY  - RPRT
TI  - Volume I: Fossil vertebrates, Part I: Contributions to the extinct vertebrate fauna of the western Territories
AU  - Ferdinand Vandeveer Hayden
AU  - Joseph Leidy
PY  - 1873
DO  - 10.3133/70038953
UR  - https://pubs.usgs.gov/publication/70038953
ID  - 70038953
ER  -