{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geology and ore deposits of the Bonanza mining district, Colorado,","author_name":"W. S. Henderson, Charles William, ; Colorado State Metal Mining Fund. Burbank","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B001PLBCV4.html\">Geology and ore deposits of the Bonanza mining district, Colorado,</a>","width":400,"height":300}