{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Open-pit copper mining methods and practices at the Chino Mines Division, Kennecott Copper Corp., Grant County, N. Mex.","author_name":"W. R. Hardwick","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2W6/bigB002W6YYKM.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002W6YYKM.html\">Open-pit copper mining methods and practices at the Chino Mines Division, Kennecott Copper Corp., Grant County, N. Mex.</a>","width":400,"height":300}