{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Handbook of Rock Excavation, Methods and Cost","author_name":"Halbert Powers Gillette","thumbnail_url":"https://www.ebooknetworking.net/books/117/413/big1174131888.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1174131888.html\">Handbook of Rock Excavation, Methods and Cost</a>","width":400,"height":300}