The spending decline comes as U.S. coal miners struggle to clear hurdles on the federal level, including both newly proposed measures and regulations already being implemented.
The frozen payment corresponds to what the Kyrgyz Republic was told by an international arbitration court to give Stans for revoking its rare earth mining licenses in the country.
Calgary-based U.S. Oil Sands is working through the summer to complete a 2,000-barrel-per-day oil sands mine in eastern Utah, one of the country's first commercial operation of this kind.