TY  - RPRT
TI  - Volume VII: Contributions to the fossil flora of the Western Territories, Part II: The Tertiary flora
AU  - Ferdinand Vandeveer Hayden
AU  - Leo Lesquereux
PY  - 1878
DO  - 10.3133/70038957
UR  - https://pubs.usgs.gov/publication/70038957
ID  - 70038957
ER  -