{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A primer on explosives for coal miners (United States.  Geological Survey.  Bulletin)","author_name":"Charles E Munroe","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000871LYY.html\">A primer on explosives for coal miners (United States.  Geological Survey.  Bulletin)</a>","width":400,"height":300}