On April 16, 2024, the Tsetsaut Skii km Lax Ha Nation filed a civil claim in the BC Supreme Court asserting Aboriginal rights and title to their traditional, unceded territory. This includes parts of the Nass River, Skeena River, Bear River and Stikine River watersheds in northwestern British Columbia. Seabridge Gold has been advancing plans for its multibillion-dollar KSM mine—the world's largest gold, copper and silver mine.