TY  - RPRT
TI  - Illustrations of Cretaceous and Tertiary plants of the western Territories of the United States
AU  - Ferdinand Vandeveer Hayden
PY  - 1878
DO  - 10.3133/70039796
UR  - https://pubs.usgs.gov/publication/70039796
ID  - 70039796
ER  -