{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Economic Geology of Gilpin County and Adjacent Parts of Clear Creek and Boulder Counties, Colorado","author_name":"Sunderland Bastin","thumbnail_url":"https://www.ebooknetworking.net/books/B00/92A/bigB0092AO55A.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0092AO55A.html\">Economic Geology of Gilpin County and Adjacent Parts of Clear Creek and Boulder Counties, Colorado</a>","width":400,"height":300}