undiscovered
131Western Canadian Sedimentary Basin — The Western Canadian Sedimentary Basin (WCSB) is a vast sedimentary basin underlying convert|1400000|km2|sqmi of Western Canada including southwestern Manitoba, southern Saskatchewan, Alberta, northeastern British Columbia and the southwest… …
132National Petroleum Reserve–Alaska — Map of northern Alaska showing location of the National Petroleum Reserve Alaska (NPRA). The National Petroleum Reserve in Alaska[1] (NPR A) is an area of land on the Alaska North Slope owned by the United States federal government and managed by …
