{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Placer mining technology and associated environmental effects","author_name":"Jeffrey H Levell","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000732R42.html\">Placer mining technology and associated environmental effects</a>","width":400,"height":300}