{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"King coal: a piece of eastern Pennsylvania history.(history of coal mining): An article from: Social Education","author_name":"Jill M. Beccaris, Christine Woyshner","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000NOK4O0.html\">King coal: a piece of eastern Pennsylvania history.(history of coal mining): An article from: Social Education</a>","width":400,"height":300}