Results: 1 - 3 of 3
Dec 31, 1972
Open File Report
… which consists of the Clearwater shale and the Wabiskaw glauconitic … slopes composed of Clearwater shale because of their …
Dec 31, 1973
Earth Sciences Report
… gravel, coarse sand, till, clay, shale, fine sand, silt and … erosion; 8)avoiding terracing of shale and mudstone slopes which …