{"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, leveling, estimating quantities, &c","author_name":"Henry S. Merrett","thumbnail_url":"https://www.ebooknetworking.net/books/123/607/big1236079140.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1236079140.html\">A practical treatise on the science of land and engineering surveying, leveling, estimating quantities, &amp;c</a>","width":400,"height":300}