Provincial Archives of Alberta: Guides and pack dogs en route to Fort McKay
Provincial Archives of Alberta: "Headed back for McKay"
Provincial Archives of Alberta: "Packing dogs with tar sand"
Provincial Archives of Alberta: "Packing dogs with tar sand"
Provincial Archives of Alberta: Guides and pack dogs
Provincial Archives of Alberta: "Off for Ells River for Tar Sand"
Provincial Archives of Alberta: Dogs greeting a riverboat in Fitzgerald, Alberta
Provincial Archives of Alberta: The "Northland Echo" unloading freight on the Athabasca River
Provincial Archives of Alberta: "Stopping for a rest on the trail from Ells River to McKay"
Provincial Archives of Alberta: "Valley of the Ells River back from McKay"
Provincial Archives of Alberta: "A bituminous sand shoulder along the Athabaska River"
Provincial Archives of Alberta: "Dry and fissures bituminous sand beds high up on a cliff along the Athabaska River between the McMurray and McKay"
Provincial Archives of Alberta: "Streaks of bitumen on bituminous sand face on Steepbank River"
Provincial Archives of Alberta: "Early stage of the road grading from McMurray to Horse River"
Provincial Archives of Alberta: "Climbing section no. 1 (Horse River)"
Provincial Archives of Alberta: "Storage tanks and camp"
Provincial Archives of Alberta: "They must have thought it was Jack Miner's Pond"