{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Preparation characteristics of coal from Clearfield County Pa. (Volume 2)","author_name":"W. L. Crentz","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3U4/bigB003U4UW38.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003U4UW38.html\">Preparation characteristics of coal from Clearfield County Pa. (Volume 2)</a>","width":400,"height":300}