Electrolytic zinc plant (Hughes) - 1929
Aerial view of Trail Smelter (Hughes) - 1930
Waneta Bridge at confluence of Pend d’Oreille and Columbia Rivers (Hughes) - 1930
Lead anode casting, Trail Smelter (Hughes) - 1930
Trail Lead Refinery (Hughes) - 1930
Trail City Hall and attached Fire Hall (Hughes) - 1930
Smelter from West Trail (Hughes) - 1930
Smelter from West Trail (Hughes) - 1930
Trail Smelter view (Hughes) - 1930
Consolidated Mining and Smelting officials. R.W. Diamond: front row, third left; S.G. Blaylock, front row, second right (Hughes) - 1930
View of Trail Smelter from “the big stack” (Hughes) - 1930
Zinc sulphide leaching plant, Trail Smelter (Hughes) - 1930
Trail Smelter and Downtown (Hughes) - 1930
Trail Smelter, looking north (Hughes) - 1930
Electrolytic zinc tank room, Trail Smelter (Hughes) - 1930
Warfield Fertilizer plant in winter (Hughes) - 1930
Refinery from wedge roaster, Trail Smelter (Hughes) - 1930
Warfield Fertilizer Plant (Hughes) - 1930
Smelter from East Trail (Hughes) - 1930
Trail Smelter and Gulch from Warfield Hill (Hughes) - 1930