{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Ground subsidence and structural damage over an abandoned room-and-pillar coal mine at Hegeler, IL","author_name":"Unknown","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HK/bigB003HKR0N0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HKR0N0.html\">Ground subsidence and structural damage over an abandoned room-and-pillar coal mine at Hegeler, IL</a>","width":400,"height":300}