{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Practical Tunnel Construction","author_name":"Gary B. Hemphill","thumbnail_url":"https://www.ebooknetworking.net/books/047/064/big0470641975.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0470641975.html\">Practical Tunnel Construction</a>","width":400,"height":300}