{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Calumet Copper and People : History of a Michigan Mining Community, 1864-1970","author_name":"Arthur W Thurner","thumbnail_url":"https://www.ebooknetworking.net/books/B00/06C/bigB0006CERT2.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0006CERT2.html\">Calumet Copper and People : History of a Michigan Mining Community, 1864-1970</a>","width":400,"height":300}