Public domain
Anaconda smelter, Montana. Anaconda Copper Mining Company. Looking up the hill towards the smokestack which is the largest in the world: 585 feet high with diameter at base seventy-five feet and at top sixty feet
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAnaconda smelter, Montana. Anaconda Copper Mining Company. Looking up the hill towards the smokestack which is the largest in the world: 585 feet high with diameter at base seventy-five feet and at to. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.