Trail Smelter furnaces (Hughes) - 1920

Trail Smelter concentrator (Hughes) - 1920

New zinc stack at Trail Smelter (Hughes) - 1920

Copper casting wheel, Trail Smelter (Hughes) - 1920

Electrolytic copper tank room, Trail Smelter (Hughes) - 1920

Copper melting furnace, Trail Smelter (Hughes) - 1920

Lead Refinery, Trail Smelter (Hughes) - 1920

Electrolytic zinc tank room, Trail Smelter (Hughes) - 1920

Eight tons of silver ready for shipment, Trail Smelter (Hughes) - 1920

Zinc plant from blue store plant, Trail Smelter (Hughes) - 1920

Cominco International Truck Fleet (Hughes) - 1922

Concentrator at Trail, Zinc C-cast cutting enclosure (Hughes) - 1922

Zinc tank room, Trail Smelter (Hughes) - 1922

Lead Casting, Trail Smelter (Hughes) - 1922

Lower Bonnington station (Hughes) - 1925

Reduction Plant, Trail Smelter (Hughes) - 1925

Smelter & Old Bridge from Casino (Hughes) - 1925

Trail Smelter & Old Bridge (Hughes) - 1925

Trail Smelter from zinc stack (Hughes) - 1925

Trail & Gulch from zinc stack (Hughes) - 1925