EPA Facts about Copper (pdf)

Copper Extraction (Wikipedia)

Copper Mining & Extraction Articles (Copper Development Association)

Copper Production (Copper Development Association)

Copper Production (Flow chart)

The U.S. Copper-Scrap Industry and its By-Products (Report, pdf)

Copper Recycling (Copper Development Association)

Recycling of Non-Ferrous Metals (BIR)