Public domain
Tank used in purifying gold and silver ore. El Dorado Canyon, Clark County, Nevada
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineTank used in purifying gold and silver ore. El Dorado Canyon, Clark County, Nevada. 1940-01-01. Rothstein, Arthur. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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