http://book.klll.cc/ebooks/subject/9585.opds2025-08-30T18:57:29ZBooks about Copper industry and trade -- United States -- History (sorted by popularity)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-08-30T18:57:29Zhttps://book.klll.cc/ebooks/24423.opdsFifty years with the Revere Copper Co.S. T. Snow