{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Diamond Drilling for Gold and Other Minerals: A Practical Handbook On the Use of Modern Diamond Core Drills in Prospecting and Exploiting ... of the Cost of Apparatus and of Working","author_name":"George Alfred Denny","thumbnail_url":"https://www.ebooknetworking.net/books/114/497/big1144974380.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1144974380.html\">Diamond Drilling for Gold and Other Minerals: A Practical Handbook On the Use of Modern Diamond Core Drills in Prospecting and Exploiting ... of the Cost of Apparatus and of Working</a>","width":400,"height":300}