{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Practical Treatise On The Science Of Land And Engineering Surveying: Leveling, Estimating Quantities, Etc. (1863)","author_name":"Henry S. Merrett","thumbnail_url":"https://www.ebooknetworking.net/books/143/698/big1436986427.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1436986427.html\">A Practical Treatise On The Science Of Land And Engineering Surveying: Leveling, Estimating Quantities, Etc. (1863)</a>","width":400,"height":300}