TY  - RPRT
TI  - Palynological investigations in the Upper Cretaceous and Tertiary of the Mississippi Embayment region - V
AU  - Robert H. Tschudy
PY  - 1973
DO  - 10.3133/ofr73283
UR  - https://pubs.usgs.gov/publication/ofr73283
ID  - ofr73283
ER  -