{"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: Levelling, and Tracing Contours; Together with trigonometrical, Colonial, mining, and Maritime Surveying.","author_name":"B Williams","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003TQXV0I.html\">Practical Geodesy: Comprising Chain surveying, and the Use of Surveying Instruments: Levelling, and Tracing Contours; Together with trigonometrical, Colonial, mining, and Maritime Surveying.</a>","width":400,"height":300}