{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The iron ores of Minnesota: Their geology, discovery, development, qualities and origin, and comparison with those of other iron districts (Volume 2)","author_name":"N. H. Winchell","thumbnail_url":"https://www.ebooknetworking.net/books/B00/37H/bigB0037HOM3O.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0037HOM3O.html\">The iron ores of Minnesota: Their geology, discovery, development, qualities and origin, and comparison with those of other iron districts (Volume 2)</a>","width":400,"height":300}