{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On the location and examination of magnetic ore deposits by magnetometric measurements, by Eugene Haanel, superintendent of mines","author_name":"Canada. Mines Branch (1901-1936)","thumbnail_url":"https://www.ebooknetworking.net/books/B00/303/bigB00303GCSS.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00303GCSS.html\">On the location and examination of magnetic ore deposits by magnetometric measurements, by Eugene Haanel, superintendent of mines</a>","width":400,"height":300}