The U.S. Supreme Court on Monday rejected a lawsuit by Utah that argued the federal government was unconstitutionally holding onto vast, unreserved swathes of the Republican-led state's territory comprising more than a third of the land within its borders.

The Supreme Court on Monday declined to take up Utah’s lawsuit aimed at wresting control of more than 18 million acres of public land in the state from the federal government. In its lawsuit, filed in August,

According to a brief Idaho Attorney General Raúl Labrador filed with the U.S. Supreme Court, 9 million acres of Idaho land managed by the Bureau of Land Management could be affected.