{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Conservation And The Gospel Of Efficiency: The Progressive Conservation Movement, 1890–1920","author_name":"Samuel P. Hays","thumbnail_url":"https://www.ebooknetworking.net/books/082/295/big0822957027.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0822957027.html\">Conservation And The Gospel Of Efficiency: The Progressive Conservation Movement, 1890–1920</a>","width":400,"height":300}