{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Practice of Engineering Field Work, Applied to Land, Hydrographic, and Hyraulic Surveying and Levelling, for Railways, Canals, Harbours, Towns' ... and Levelling Instruments and the Practical","author_name":"W Davis Haskoll","thumbnail_url":"https://www.ebooknetworking.net/books/114/286/big1142869016.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1142869016.html\">The Practice of Engineering Field Work, Applied to Land, Hydrographic, and Hyraulic Surveying and Levelling, for Railways, Canals, Harbours, Towns&#039; ... and Levelling Instruments and the Practical</a>","width":400,"height":300}