Results: 1 - 6 of 6
Dec 31, 1959
Bulletin
… the upper part of the Kaskapau shale and the lower part of the Puskwaskau shale in the Smoky River area of … diagnostic species from each shale unit are listed. The …
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 …
Dec 31, 1954
Report
… the basal portion of the Alberta shale of southern Alberta, the lower part of the Cody shale of Wyoming, the Coleraine …
Dec 31, 1957
Bulletin
… the lower part of the Colorado shale of Alberta and Saskatchewan, and in the Mowry shale of the Black Hills area of …
Feb 29, 2008
Special Report
… by at least one contiguous thick shale sequence, the Smoky Group. …
Dec 31, 1966
Bulletin
… with the first white-speckled shale 'zone' is used as a datum …