Results: 1 - 3 of 3
Dec 31, 1957
Bulletin
… one of which is named from the Lower Cenomanian portion of the St. … megafaunal sequences of the Lower Cenomanian substage of the Upper Cretaceous. Lithologic sections are …
Apr 30, 1983
Open File Report
… Sedimentology of the Upper Cretaceous Judith River (Belly … - Sedimentology of the Upper Cretaceous Judith River (Belly …
Apr 20, 2020
Data
… the basal red beds, the lower Lotsberg halite, the middle … L2, and L3 marker beds from the lower and upper Lotsberg halite … also includes picks of the sub-Cretaceous unconformity where it …