Nebraska Niobium mine 4 to 5 years away.
By Bill Kelly , Senior Reporter/Producer Nebraska Public Media
May 19, 2010, 7 a.m. ·
The existence of a large Niobium deposit near Elk Creek, Nebraska has been known for over twenty years. The fresh attention to creating the only mine for the element in the United States rises from a desire for American companies to have domestic supplies of this important component in high grade steel used in aircraft and other high-tech manufacturing.