{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The planetable and its use in topographical surveying. From the papers of the United States Coast Survey.","author_name":"Michigan Historical Reprint Series","thumbnail_url":"https://www.ebooknetworking.net/books/142/550/big1425507964.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1425507964.html\">The planetable and its use in topographical surveying. From the papers of the United States Coast Survey.</a>","width":400,"height":300}