{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Preface.(50-Year History of the Tucson Show)(Tucson Gem and Mineral Show): An article from: The Mineralogical Record","author_name":"Bob Jones","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00081YYR6.html\">Preface.(50-Year History of the Tucson Show)(Tucson Gem and Mineral Show): An article from: The Mineralogical Record</a>","width":400,"height":300}