Results: 1 - 2 of 2
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 …
Dec 31, 1989
Open File Report
… supported study of the Jurassic-Lower Cretaceous boundary strata … of a continental to transitional Lower Cretaceous (Lower Mannville …