{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Great Western Migration to the Gold Fields of California, 1849-1850","author_name":"Robert J. Willoughby","thumbnail_url":"https://www.ebooknetworking.net/books/078/647/big0786473940.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0786473940.html\">The Great Western Migration to the Gold Fields of California, 1849-1850</a>","width":400,"height":300}