{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Preliminary analysis of methodologies for mining thin-seam mountaintop coal resources","author_name":"William D. Mayercheck","thumbnail_url":"https://www.ebooknetworking.net/books/B00/2Y5/bigB002Y5VR9C.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B002Y5VR9C.html\">Preliminary analysis of methodologies for mining thin-seam mountaintop coal resources</a>","width":400,"height":300}