{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Arizona lode gold mines and gold mining (Arizona Bureau of Mines. Bulletin 137)","author_name":"Eldred Dewey Wilson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/07E/bigB0007EHGZ6.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007EHGZ6.html\">Arizona lode gold mines and gold mining (Arizona Bureau of Mines. Bulletin 137)</a>","width":400,"height":300}