Two Alberta First Nations want to appeal decision against Grassy Mountain coal mine A second Alberta First Nation wants a court to allow it to appeal a review board's decision that an open-pit coal mine in the Rocky Mountains is not in the public interest. Social Sharing Both Stoney Nakoda Nation and Piikani First Nation filed a request with the Alberta Court of Appeal Posted: Jul 22, 2021 4:38 PM MT | Last Updated: July 23 Proposed site of the Grassy Mountain mining project, in the Crowsnest Pass area of Alberta. The Stoney Nakoda Nation Piikani First Nation are trying to appeal a decision that blocks the development of the project. (Evelyne Asselin/CBC)