Alberta is planning new mountaintop-removal coal mines. Here’s what that looks like Debate has swirled as Alberta opens up a large swath of the Rocky Mountains’ eastern slopes to new coal mining. B.C.’s Elk Valley offers a preview of what may come next Share A mine in B.C.'s Elk Valley. Teck Resources owns and operates a number of metallurgical coal mines in the region that provide coal for use in steelmaking. As Alberta moves to make more of the eastern slopes of the Rocky Mountains open to coal mining, more mountain-top-removal mines could operate in the province. Photo: Callum Gunn