Results: 1 - 3 of 3
Jul 31, 1991
Open File Report
… beds and evaporitic units of the Lower Elk Point Subgroup (Lower Devonian) overlying the … eroded and subcrop at the sub-Cretaceous unconformity. They are …
Apr 23, 2017
Data
… the bounding surface for Upper Cretaceous-Paleogene bedrock strata …
Mar 16, 2017
Data
… the bounding surface for Upper Cretaceous-Paleogene bedrock strata …