{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Aid to survey-practice for reference in surveying, levelling, and setting-out; and in route-surveys of travellers by land and sea, with tables, illustrations, and records","author_name":"Lowis D'aguilar Jackson","thumbnail_url":"https://www.ebooknetworking.net/books/113/099/big1130998975.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1130998975.html\">Aid to survey-practice for reference in surveying, levelling, and setting-out; and in route-surveys of travellers by land and sea, with tables, illustrations, and records</a>","width":400,"height":300}