{"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","author_name":"Newton Horace Winchell, Horace Vaughn Winchell","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9OV/bigB009OVISWS.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009OVISWS.html\">The Iron Ores of Minnesota: Their Geology, Discovery, Development, Qualities, and Origin, and Comparison with Those of Other Iron Districts</a>","width":400,"height":300}