Public domain
Production. Mercury. Surveying crew running lines in a mercury mine of the New Idria, California Quicksilver Mining Company. Triple-distilled mercury is produced from cinnabar, an ore containing sulphur and mercury mined at a number of workings near the plant
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Credit lineProduction. Mercury. Surveying crew running lines in a mercury mine of the New Idria, California Quicksilver Mining Company. Triple-distilled mercury is produced from cinnabar, an ore containing sulph. 1942-01-01. Feininger, Andreas, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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