Title: Non-dinosaurian lower vertebrates across the Cretaceous-Tertiary boundary in northeastern Montana
Subjects: Cretaceous-Tertiary boundary, Geology, Paleontology, Paleontology, north america, Geology, united states, Geology, stratigraphic, cretaceous, Geology, stratigraphic, tertiary
Places: Garfield County, McCone County, Montana
Time periods: Cretaceous, Tertiary