{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Practical Treatise On the Science of Land and Engineering Surveying, Levelling, Estimating Quantities, &e","author_name":"Merrett, Henry S.","thumbnail_url":"https://www.ebooknetworking.net/books/114/533/big1145330096.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1145330096.html\">A Practical Treatise On the Science of Land and Engineering Surveying, Levelling, Estimating Quantities, &amp;e</a>","width":400,"height":300}