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Phelps Dodge refining company, El Paso, Texas. Copper is recovered from smoke that pours into these pipes from the furnaces of the refining plant
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El Paso, Texas. Phelps Dodge refining company. Loading yard and exterior of the copper refining plant
Phelps Dodge refining company, El Paso Texas. Copper is recovered from smoke that pours into these pipes from the furnaces of the refining plant
Phelps Dodge refining company, El Paso Texas. Copper is recovered from smoke that pours into these pipes from the furnaces of the refining plant