[15839] North American, Strata: Lower Cretaceous, Period: 33711, Rec 2094

[Rec № 2094] Stratigraphic and petrologic analysis of the Lower Cretaceous Blackleaf Formation and the Upper Cretaceous Frontier Formation (Lower Part), Beaverhead and Madison Counties, Montana

Dyman, Jr., T. S.
Doctoral dissertation, Washington State University, 1985, « Missing Vol »