{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Historic Resource Study: Chesapeake and Ohio Canal","author_name":"Harlan D. Unrau, U. S. Department of the Interior, National Park Service","thumbnail_url":"https://www.ebooknetworking.net/books/178/266/big1782664734.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1782664734.html\">Historic Resource Study: Chesapeake and Ohio Canal</a>","width":400,"height":300}