{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"United States Geological Survey, Bulletin No. 339,  The purchase of coal under Government and commercial specifications on the basis of its heating ... of coal delivered under Government contracts","author_name":"D. T. Randall","thumbnail_url":"https://www.ebooknetworking.net/books/B01/672/bigB01672EDFW.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B01672EDFW.html\">United States Geological Survey, Bulletin No. 339,  The purchase of coal under Government and commercial specifications on the basis of its heating ... of coal delivered under Government contracts</a>","width":400,"height":300}