{"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, quarrying, tunneling, &c., and for mining and engineering students;","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003O96Z58.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, quarrying, tunneling, &amp;c., and for mining and engineering students;</a>","width":400,"height":300}