{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Diamond drilling for gold and other minerals (Vol-1): 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/B00/80F/bigB0080F8766.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0080F8766.html\">Diamond drilling for gold and other minerals (Vol-1): 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}