{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Historical summary of coal mine explosions in the United States, 1959-81","author_name":"Anonymous","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2WR/bigB002WRGSEQ.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002WRGSEQ.html\">Historical summary of coal mine explosions in the United States, 1959-81</a>","width":400,"height":300}