El Paso, Texas Historic photos, documents, and people

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Phelps Dodge refining company, El Paso, Texas. Molten copper being poured from the refinng furnace. It is run through a bed of coke to prevent oxidation before the copper is cast into molds

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Phelps Dodge refining company, El Paso, Texas. Sheets of pure copper, which had been formed by electrolysis in huge tanks, being melted now and cast into ingots

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El Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of pure copper are formed. The sheets are later melted and cast into ingots

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El Paso, Texas, Phelps Dodge refining company. Electrolytic tanks in which sheets of pure copper are formed. The sheets are later melted and cast into ingots

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El Paso, Texas. Phelps Dodge refining company. Sheets of pure copper are formed by electrolysis in large tanks in later melted and poured into ingots

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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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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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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. Electrolytic tanks holding sheets of pure copper that will later be melted and poured into ingots