{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Practical stone quarrying, a manual for managers, inspectors, and owners of quarries, and for students","author_name":"Allan Greenwell","thumbnail_url":"https://www.ebooknetworking.net/books/B00/32J/bigB0032JRTWI.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0032JRTWI.html\">Practical stone quarrying, a manual for managers, inspectors, and owners of quarries, and for students</a>","width":400,"height":300}