{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise on Levelling, Topography and Higher Surveying","author_name":"W. M. Gillespie","thumbnail_url":"https://www.ebooknetworking.net/books/B01/APO/bigB01APOEGQY.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01APOEGQY.html\">A Treatise on Levelling, Topography and Higher Surveying</a>","width":400,"height":300}