{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Diamond-drilling exploration of the Beecher no. 3--Black diamond pegmatite Custer County, South Dakota (Contributions to economic geology)","author_name":"Redden, Jack Allison","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007FLOOE.html\">Diamond-drilling exploration of the Beecher no. 3--Black diamond pegmatite Custer County, South Dakota (Contributions to economic geology)</a>","width":400,"height":300}