{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Silver and gold: an account of the mining and metallurgical industry of the United States, with reference chiefly to the precious metals.","author_name":"Michigan Historical Reprint Series","thumbnail_url":"https://www.ebooknetworking.net/books/142/556/big1425563392.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1425563392.html\">Silver and gold: an account of the mining and metallurgical industry of the United States, with reference chiefly to the precious metals.</a>","width":400,"height":300}