{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The practice of engineering field work, applied to land, hydrographic and hydraulic surveying and levelling","author_name":"William Davis Haskoll","thumbnail_url":"https://www.ebooknetworking.net/books/113/093/big1130938824.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1130938824.html\">The practice of engineering field work, applied to land, hydrographic and hydraulic surveying and levelling</a>","width":400,"height":300}