{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Niobium, columbium, and tantalum resources of Brazil: USGS Open-File Report 75-29","author_name":"Max Gregg White","thumbnail_url":"https://www.ebooknetworking.net/books/128/705/big1287051618.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1287051618.html\">Niobium, columbium, and tantalum resources of Brazil: USGS Open-File Report 75-29</a>","width":400,"height":300}