{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The blasting of rock in mines, quarries, tunnels, etc; a scientific and practical treatise for the use of engineers and others engaged in mining, ... & and for mining and engineering students","author_name":"Albert W. Daw, Zacharias W. Daw","thumbnail_url":"https://www.ebooknetworking.net/books/117/762/big1177625423.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177625423.html\">The blasting of rock in mines, quarries, tunnels, etc; a scientific and practical treatise for the use of engineers and others engaged in mining, ... &amp; and for mining and engineering students</a>","width":400,"height":300}