{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Notes and Problems on the Adjustment and Use of Surveying Instruments: Including Forms for Field Notes for the Use of Students in Topographic and Railroad Engineering.","author_name":"Leonard Sewall Smith","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2MC/bigB002MCYL04.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002MCYL04.html\">Notes and Problems on the Adjustment and Use of Surveying Instruments: Including Forms for Field Notes for the Use of Students in Topographic and Railroad Engineering.</a>","width":400,"height":300}