{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mining and milling methods at San Xavier mine, the Eagle-Picher Mining & Smelting Co., Pima County, Ariz","author_name":"Grover J. Duff","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HK/bigB003HKR436.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HKR436.html\">Mining and milling methods at San Xavier mine, the Eagle-Picher Mining &amp; Smelting Co., Pima County, Ariz</a>","width":400,"height":300}