{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Economic geology of the Mercur mining district, Utah","author_name":"Josiah Edward Spurr","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3SX/bigB003SX120I.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003SX120I.html\">Economic geology of the Mercur mining district, Utah</a>","width":400,"height":300}