{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Map of the County of Norfolk, Massachusetts Based upon the Trigonometrical Survey of the State. The Details from the Best Authorities & from Actual Survey by Henry F. Walling, Civil-Engineer, 81 Washington St: Boston, 1853.","author_name":"H. F. Walling","thumbnail_url":"https://www.ebooknetworking.net/books/B00/552/bigB00552IBX6.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00552IBX6.html\">Map of the County of Norfolk, Massachusetts Based upon the Trigonometrical Survey of the State. The Details from the Best Authorities &amp; from Actual Survey by Henry F. Walling, Civil-Engineer, 81 Washington St: Boston, 1853.</a>","width":400,"height":300}