TY  - RPRT
TI  - Cretaceous foraminifera from the Greenhorn, Carlile, and Cody formations, South Dakota, Wyoming
AU  - S.K. Fox
PY  - 1954
DO  - 10.3133/pp254e
UR  - https://pubs.usgs.gov/publication/pp254E
ID  - pp254E
ER  -