CALL NUMBER: T3150:0001 RECORDED: [location unknown], 1975 SUMMARY: TRACK 1: How Dr. Nelson, Dr. Roy Carlson and Dr. Rudi Haering became involved in exploring Alexander Mackenzie's trail through central BC and looking for the source of a form of obsidian used in trade among native people; their first adventures travelling by horse in a pack train. TRACK 2: Following Mackenzie's trail from Haering's Blackwater Ranch; confirming Mackenzie's fish story; impressions of the landscape; camping along the route; discoveries of obsidian; local residents; finding the trail; crossing the Blackwater River to Kluskus; church at Kluskus; wildlife on the trail; Indians at Kluskus; artefacts.

CALL NUMBER: T3150:0002 RECORDED: [location unknown], 1975 SUMMARY: TRACK 1: Trail from Kluskus to Pan Phillips' dude ranch; obsidian in the Ulkatcho mountains; travel to Dean River; trip to Vancouver to have rock analysed; visit to Ulkatcho village. TRACK 2: Trail through Tanga Lake; trip over Mackenzie Pass to the Bella Coola River and down to Bella Coola; visit to Mackenzie's rock; canoe trip down the Bella Coola River; radio contact with the outside world; brief comments on the trip as an experience.

RECORDED: [location unknown], 1975 SUMMARY: TRACK 1: Dr. Roy Carlson describes his part in the trip over Alexander Mackenzie's trail to find the source of mysterious forms of obsidian used in native trade; visit to the Trudeau ranch; travel on horseback; Kluskus village, its church and archaeological sites; the obsidian trade and why it is studied; adventures while travelling from Blackwater Ranch to Tanya Lake, through Mackenzie Pass to Bella Coola; finding sources of obsidian. TRACK 2: Information from locals; sources of obsidian and the trade along the trail; comments on ranching in that part of the Chilcotin.

CALL NUMBER: T3149:0001 SUPPLIED TITLE OF TAPE(S): The obsidian trail : [tape 1] RECORDED: [location unknown], 1975 SUMMARY: TRACK 1: Dr. Rudi Haering tells how he became involved in exploring the trade route along Alexander Mackenzie's trail through BC, and looking for the source of a form of obsidian used in trade among native people; X-ray techniques in archaeology; trade routes; how the three scholars (i.e., Haering, Carlson, and Nelson) got together to find the source of the mysterious obsidian; findings; problems along the trail. TRACK 2: Finding the trail from Mackenzie Pass to the Bella Coola Valley; trip from the Blackwater Ranch to Mackenzie Pass through Kluskus and Ulkatcho; Burnt Bridge Creek; canoeing down the Bella Coola River with natives; Indian story about Mackenzie.

CALL NUMBER: T3149:0002 SUPPLIED TITLE OF TAPE(S): The obsidian trail : [tape 2] RECORDED: [location unknown], 1975 SUMMARY: TRACK 1: Retracing Mackenzie's route from Blackwater Ranch on horseback and wagon; campsites; wildlife; artifacts; local ranches; more on campsites; Kluskoil Lake. TRACK 2: Pan Phillips' ranch; looking for obsidian in Ulkatcho mountains; more about Kluskus; other travellers; trail from Eliguk Lake to Ulkatcho; Mackenzie's accomplishment; visit to Mackenzie's rock; Saugstad house at Hagensborg.