{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Practical Geodesy: Comprising Chain Surveying, and the Use of Surveying Instruments; Leveling, and Tracing of Contours; Together with Trigonometrical, ... of Surveyors, and of Students in Civil and","author_name":"J Butler Williams","thumbnail_url":"https://www.ebooknetworking.net/books/114/289/big1142895777.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1142895777.html\">Practical Geodesy: Comprising Chain Surveying, and the Use of Surveying Instruments; Leveling, and Tracing of Contours; Together with Trigonometrical, ... of Surveyors, and of Students in Civil and</a>","width":400,"height":300}