Results: 1 - 2 of 2
Dec 31, 1955
Report
… River Formation in northwestern Alberta. The upper Clearwater … the Mannville Formation of east-central Alberta. The Harmon shale … member of the Colorado Group of central and eastern Alberta, …
Dec 31, 1959
Bulletin
… shale in the Smoky River area of Alberta, Western Canada. The … Colorado shale in other areas of Alberta and northern Montana. The … the Niobrara Formation of the Central Plains region of the United …