Two First Nations in northeastern Alberta … Athabasca Chipewyan First Nation and Mikisew Cree First Nation signed the agreement … Allan Adam, Athabasca Chipewyan First Nation chief, in a statement. … Peter Powder, Mikisew Cree First Nation chief, in a statement. …Two First Nations in northeastern Alberta … Athabasca Chipewyan First Nation and Mikisew Cree First Nation signed the agreement … Allan Adam, Athabasca Chipewyan First Nation chief, in a statement. … Peter Powder, Mikisew Cree First Nation chief, in a statement. …