{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elements of plane surveying (including leveling)","author_name":"Samuel Marx Barton","thumbnail_url":"https://www.ebooknetworking.net/books/117/850/big117850865X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-117850865X.html\">Elements of plane surveying (including leveling)</a>","width":400,"height":300}