{"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, colonial, mining, and maritime surveying. Adapted to the use of surveyors, and of students in civil and","author_name":"J. Butler, Sir 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-B010VN5M3U.html\">Practical geodesy: comprising chain surveying, and the use of surveying instruments; leveling, and tracing of contours; together with trigonometrical, colonial, mining, and maritime surveying. Adapted to the use of surveyors, and of students in civil and</a>","width":400,"height":300}