Save Oak Flat Act This bill repeals the requirement for the Department of Agriculture to convey the 2,422 acres of Forest Service land located in Tonto National Forest in Pinal County, Arizona, known as Oak Flat, to Resolution Copper Mining, LLC, in exchange for various parcels of land owned by Resolution Copper. Oak Flat is withdrawn from (1) entry, appropriation, or disposal under the public land laws; (2) location, entry, and patent under the mining laws; and (3) disposition under all laws pertaining to mineral and geothermal leasing or mineral materials.