Workman Inspects Manganese Ore Roasting 1942

A workman inspects the roasting process of manganese ore at the Anaconda smelter in Anaconda, Montana, in September 1942. Manganese ore, specifically pink rhodochrosite, is a key component in steel production. This image offers a glimpse into the mining and metallurgy practices of the early 1940s, reflecting industrial efforts during World War II. The photograph is part of the FSA/OWI Collection, which was transferred from the United States Office of War Information in 1944.

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