Results: 1 - 2 of 2
Nov 30, 1987
Open File Report
… foothills/mountains coals in the central and southern Rockies are as … regions to about 7 km in the west. Local tectonism causes … foothills/mountains region of Alberta; Alberta Research Council, …
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 …