{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A complete treatise of land surveying, by the chain, cross, and offset staffs only; In three parts","author_name":"William Davis","thumbnail_url":"https://www.ebooknetworking.net/books/123/614/big1236149319.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1236149319.html\">A complete treatise of land surveying, by the chain, cross, and offset staffs only; In three parts</a>","width":400,"height":300}