Results: 1 - 3 of 3
Oct 16, 2014
Open File Report
… of the lower Clearwater shale unit, that overlay the … where the lower Clearwater shale unit is thin (<5 m thick) or … study area, the lower Clearwater shale was found to be between 20 …
Jul 31, 1992
Open File Report
… related trends. The halite and shale Prairie-Watt Mountain … above, respectively. The shale Clearwater aquitard, …
Dec 31, 1957
Earth Sciences Report