{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Operations and costs at the St. Joe Mining & Milling Co., Boulder, Colo","author_name":"Joseph R. Guiteras","thumbnail_url":"https://www.ebooknetworking.net/books/B00/41K/bigB0041KJD0I.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0041KJD0I.html\">Operations and costs at the St. Joe Mining &amp; Milling Co., Boulder, Colo</a>","width":400,"height":300}