{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"To Conserve Unimpaired: The Evolution of the National Park Idea","author_name":"Robert B. Keiter","thumbnail_url":"https://www.ebooknetworking.net/books/159/726/big1597266604.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1597266604.html\">To Conserve Unimpaired: The Evolution of the National Park Idea</a>","width":400,"height":300}