TY  - RPRT
TI  - Volume IX: A report of the invertebrate Cretaceous and Tertiary fossils of the upper Missouri country
AU  - Ferdinand Vandeveer Hayden
AU  - Fielding Bradford Meek
PY  - 1876
DO  - 10.3133/70038959
UR  - https://pubs.usgs.gov/publication/70038959
ID  - 70038959
ER  -