Public domain
Anaconda smelter, Montana. Anaconda Copper Mining Company. The Symons crusher which reduces ore in size from a maximum of four inches to one inch before it is sent to the 20,000 ton ore storage bins
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Credit lineAnaconda smelter, Montana. Anaconda Copper Mining Company. The Symons crusher which reduces ore in size from a maximum of four inches to one inch before it is sent to the 20,000 ton ore storage bins. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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Ben Bow chromite mill, Stillwater County, Montana. Symons crusher which reduces the chrome ore in size
Anaconda smelter, Montana. Anaconda Copper Mining Company. Automatic sampler at end of conveyor belt; by this device, which gathers and drops a sample into a hopper, precise information is obtained concerning the content of copper and other metals in the ore
Untitled
Untitled
Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Automatic sampler at end of conveyor belt; by this device, which gathers and drops a sample into a hopper, precise information is obtained concerning the content of copper and other metals in the ore
Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Copper ore going through the Symons crusher; this is an intermediate step between the gyratory crusher and the ore bins