{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Vertical Curves: Step by Step Guide (Surveying Mathematics Made Simple) (Volume 10)","author_name":"Jim Crume","thumbnail_url":"https://www.ebooknetworking.net/books/149/379/big1493790498.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1493790498.html\">Vertical Curves: Step by Step Guide (Surveying Mathematics Made Simple) (Volume 10)</a>","width":400,"height":300}