{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Manual of the Theory and Practice of Topographical Surveying by Means of the Transit and Stadia: Including Secondary Base-Line and Triangulation ... Tables and Diagrams, Plates of Map-Letter","author_name":"John Butler Johnson","thumbnail_url":"https://www.ebooknetworking.net/books/B00/AA9/bigB00AA9TS7C.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00AA9TS7C.html\">A Manual of the Theory and Practice of Topographical Surveying by Means of the Transit and Stadia: Including Secondary Base-Line and Triangulation ... Tables and Diagrams, Plates of Map-Letter</a>","width":400,"height":300}