On vertebrata from the tertiary and cretaceous rocks of the North West Territory. I. The species from the Oligocene or Lower Miocene beds of the Cypress hills

• Main Author: Cope, E. D. (Edward Drinker), 1840-1897
• Other Authors: Canadiana.org (archive.org)
• Format: Book
• Language: English
• Published: Montreal :Brown,1891.
• Subjects: Cretaceous; Northwest Territories; Paleontology; Tertiary; Vertebrates; Fossil
• Online Access: https://www.biodiversitylibrary.org/item/85898; https://doi.org/10.5962/bhl.title.38587