{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Roughnecks, Rock Bits, and Rigs: The Evolution of Oil Well Drilling Technology in Alberta, 1883-1970","author_name":"Sandy Gow","thumbnail_url":"https://www.ebooknetworking.net/books/155/238/big155238067X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-155238067X.html\">Roughnecks, Rock Bits, and Rigs: The Evolution of Oil Well Drilling Technology in Alberta, 1883-1970</a>","width":400,"height":300}