{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Placer gold deposits of the Eagle Trough, upper Yukon River region, Alaska","author_name":"James C. Barker","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3HK/bigB003HKRYMW.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003HKRYMW.html\">Placer gold deposits of the Eagle Trough, upper Yukon River region, Alaska</a>","width":400,"height":300}