North Dakota coal miners find ancient 50-pound mammoth tusk charlotteobserver.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from charlotteobserver.com Daily Mail and Mail on Sunday newspapers.
Miners unearthed the tusk from an old streambed, about 40 feet (12.1 meters) deep, at the Freedom Mine near Beulah, North Dakota. The 45,000-acre (18,210-hectare) surface mine produces up to 16 million tons (14.5 million metric tons) of lignite coal per year.
WALHALLA, N.D. — Researchers who uncovered a new genus and species of mosasaur an ancient, carnivorous aquatic lizard in the Pembina Gorge north of Walhalla in northeastern North