{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mining and Engineerig Record; November, 1921","author_name":"E. A. - Editor HAGGEN","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00HMG9CAO.html\">Mining and Engineerig Record; November, 1921</a>","width":400,"height":300}