The palynomorphs biostratigraphy of the Cypress Hills, Wood Mountain, and Turtle Mountain areas (Upper Cretaceous - Paleocene) of western Canada.
Reference:
Braman,D.R. et al. (1999)
The palynomorphs biostratigraphy of the Cypress Hills, Wood Mountain, and Turtle Mountain areas (Upper Cretaceous - Paleocene) of western Canada. Canadian Journal of Earth Sciences
Vol. 36 # 5 P. 725- 741