{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Contributions to Economic Geology (Short Papers and Preliminary Reports) 1917 Part I -- Metals and Nonmetals Except Fuels: Geological Survey Bulletin 660","author_name":"F.L.; Burchard, E.F.; Gale, H.S. Ransome","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003MYC4A0.html\">Contributions to Economic Geology (Short Papers and Preliminary Reports) 1917 Part I -- Metals and Nonmetals Except Fuels: Geological Survey Bulletin 660</a>","width":400,"height":300}