{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"America Transformed: Engineering and Technology in the Nineteenth Century : Selections from the Historic American Engineering Record, National Park Service","author_name":"Dean A. Herrin","thumbnail_url":"https://www.ebooknetworking.net/books/078/440/big0784405298.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0784405298.html\">America Transformed: Engineering and Technology in the Nineteenth Century : Selections from the Historic American Engineering Record, National Park Service</a>","width":400,"height":300}