{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Hydrographic and geodetic surveying manual for the use of U.S. naval surveys (United States . Hydrographic Office . Publication)","author_name":"John Gilbert Kellar","thumbnail_url":"https://www.ebooknetworking.net/books/B00/08A/bigB0008AP3UE.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0008AP3UE.html\">Hydrographic and geodetic surveying manual for the use of U.S. naval surveys (United States . Hydrographic Office . Publication)</a>","width":400,"height":300}