Results: 1 - 3 of 3
Jul 12, 2016
Data
… Alberta stratigraphic units for shale- and siltstone-hosted … of Alberta geological units for shale- and siltstone-hosted … of Alberta Geological Units for Shale- and Siltstone-Hosted …
Nov 18, 2008
Data
… coal, shaly-coal and coaly-shale), formation tops and …
Dec 31, 1968
Earth Sciences Report
… a relatively impermeable marine shale, completely underlies the … beds of argillaceous sandstone, shale, and coal which immediately …