TY  - RPRT
TI  - Report of the United States Geological Survey of the Territories Volume III: The vertebrata of the tertiary formations of the West Book I
AU  - F. V. Hayden
PY  - 1884
DO  - 10.3133/70178850
UR  - https://pubs.usgs.gov/publication/70178850
ID  - 70178850
ER  -