Tahltan (also Nahanni) refers to a Northern Athabaskan people who live in northern British Columbia around Telegraph Creek, Dease Lake, and Iskut. Culture History As early as 10,000 years ago, the Tahltan people used obsidian from Mount Edziza to make tools and weapons for trading material. This is the main source of obsidian found in northwestern British Columbia. Coal-bed methane conflict Since 2005, a group elders from Tahltan First Nation called the Klabona Keepers have watched the road lead… (More on Tahltan)