{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elements of Surveying and Leveling; with Descriptions of the Instruments and the Necessary Tables","author_name":"DAVIES, Charles","thumbnail_url":"https://www.ebooknetworking.net/books/B00/4BJ/bigB004BJXRBU.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B004BJXRBU.html\">Elements of Surveying and Leveling; with Descriptions of the Instruments and the Necessary Tables</a>","width":400,"height":300}