{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mesozoic Magmatism and Base-Metal Mineralization in the Fortymile Mining District, Eastern Alaska? Initial Results of Petrographic, Geochemical, and Isotopic Studies in the Mount Veta Area","author_name":"U.S. Department of the Interior","thumbnail_url":"https://www.ebooknetworking.net/books/149/608/big1496081455.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1496081455.html\">Mesozoic Magmatism and Base-Metal Mineralization in the Fortymile Mining District, Eastern Alaska? Initial Results of Petrographic, Geochemical, and Isotopic Studies in the Mount Veta Area</a>","width":400,"height":300}