Books about Copper mines and mining -- Michigan -- Upper Peninsula -- History (sorted by popularity)

http://book.klll.cc/ebooks/subject/31467.opds 2025-08-20T10:30:27Z Books about Copper mines and mining -- Michigan -- Upper Peninsula -- History (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-20T10:30:27Z https://book.klll.cc/ebooks/55149.opds Michigan's Copper Country in Early Photos B. E. Tyler