The sternwheeler Casca arriving at the dock in Dawson City with a bow barge loaded with a truck, lumber, pallets and burlap bags of material. A large crowd gathers on the British Yukon Navigation Company Docks. The Casca flies the "Royal Mail" and "B.Y.N.Co." flags. The Casca #3 was built in Whitehorse in 1937, 1,300 tons, by the B.Y.N.Co.. It was the plushest tourist boat on the Whitehorse - Dawson run. It's last year of operation was 1952 and it was destroyed by fire in 1974 on the banks of the Yukon at Whitehorse.