TY  - RPRT
TI  - Palynology of the upper Campanian (Cretaceous) Judith River Formation, north-central Montana
AU  - Bernadine D. Tschudy
PY  - 1973
DO  - 10.3133/pp770
UR  - https://pubs.usgs.gov/publication/pp770
ID  - pp770
ER  -