A mine in Wyoming could contain $37 billion worth of rare earth minerals necessary for wind turbines, electrical vehicles, and other tech

• Over a decade ago, a Wall Street banker bought a coal mine to sell coal.
• But it was recently discovered that there's more in that coal mine than meets the eye. 
• Turns out, the mine contains rare earth elements that could be worth tens of billions of dollars.

In 2011, Randall Atkins, a former Wall Street banker, bought a mine outside of Sheridan, Wyoming, sight unseen, The Wall Street Journal reported.