{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Treatise on Surveying, Comprising the Theory and the Practice, Part I [1]: Land Surveying and Direct Leveling","author_name":"William M. Gillespie; Revised and Enlarged by Cady Staley","thumbnail_url":"https://www.ebooknetworking.net/books/B00/52L/bigB0052LUBJC.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0052LUBJC.html\">A Treatise on Surveying, Comprising the Theory and the Practice, Part I [1]: Land Surveying and Direct Leveling</a>","width":400,"height":300}