{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Geology and Fluorspar Deposits, Big Four Fault System, Crittenden County, Kentucky: Usgs Bulletin 1042-S","author_name":"George C. Hardin, Robert Denny Trace","thumbnail_url":"https://www.ebooknetworking.net/books/128/903/big1289037264.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1289037264.html\">Geology and Fluorspar Deposits, Big Four Fault System, Crittenden County, Kentucky: Usgs Bulletin 1042-S</a>","width":400,"height":300}