{"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 of Contours Together With Trigonometrical Colonial Mining and Maritime Surveying","author_name":"J Butler. 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-B002QHW46S.html\">Practical Geodesy: Comprising Chain Surveying, and the Use of Surveying Instruments Levelling, and Tracing of Contours Together With Trigonometrical Colonial Mining and Maritime Surveying</a>","width":400,"height":300}