Results: 1 - 5 of 5
Apr 23, 2017
Data
… acts as the bounding surface for Upper Cretaceous-Paleogene bedrock strata …
Oct 28, 2020
Data
… surface at the top of Upper Cretaceous and Paleogene bedrock …
Aug 31, 1977
Open File Report
… (primarily carbonates), the Cretaceous McMurray Formation (oil impregnated sandstone), the Cretaceous Clearwater Formation … sediments, Fort Hills till, upper stratified sediments, …
Dec 31, 1960
Bulletin
… basal sandstone member of the Upper Cretaceous Belly River formation. … eastward regression of the late Cretaceous Colorado sea. The …
Feb 28, 1946
Report
… to be underlain by non-marine Upper Cretaceous rocks in which coal …