{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise On Railway Surveying and Levelling","author_name":"John Quested","thumbnail_url":"https://www.ebooknetworking.net/books/B00/A5L/bigB00A5L8L3C.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00A5L8L3C.html\">A Treatise On Railway Surveying and Levelling</a>","width":400,"height":300}