To clarify authority granted under the Act entitled "An Act to define the exterior boundary of the Uintah and Ouray Indian Reservation in the State of Utah, and for other purposes".

Authorizes Utah to relinquish for the benefit of the Ute Indian Tribe of the Uintah and Ouray Reservation certain of its school or subsurface mineral lands south of the border between Grand County and Uintah County, Utah, in exchange for certain federal subsurface mineral lands north of that border.