{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Smokestacks and Progressives: Environmentalists, Engineers, and Air Quality in America, 1881-1951","author_name":"David Stradling","thumbnail_url":"https://www.ebooknetworking.net/books/080/187/big0801872502.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0801872502.html\">Smokestacks and Progressives: Environmentalists, Engineers, and Air Quality in America, 1881-1951</a>","width":400,"height":300}