TY  - RPRT
TI  - Synopsis of new vertebrata from the Tertiary of Colorado, obtained during the summer of 1873
AU  - E.D. Cope
AU  - Ferdinand Vandeveer Hayden
PY  - 1873
DO  - 10.3133/70039707
UR  - https://pubs.usgs.gov/publication/70039707
ID  - 70039707
ER  -