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Anaconda smelter, Montana. Anaconda Copper Mining Company. Battery of converters; in near converter, copper is being poured into ladle. In the converter, impurities in the copper are removed by oxidation with air and the final product approximates 99.3% pure copper
Public domain

Anaconda smelter, Montana. Anaconda Copper Mining Company. Battery of converters; in near converter, copper is being poured into ladle. In the converter, impurities in the copper are removed by oxidation with air and the final product approximates 99.3% pure copper

Lee, Russell · 1942-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

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safety film negativesunited statesanacondadeer lodge countymontana
Credit lineAnaconda smelter, Montana. Anaconda Copper Mining Company. Battery of converters; in near converter, copper is being poured into ladle. In the converter, impurities in the copper are removed by oxidat. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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