8,872.5 acres of Federal land and the surface estate to approximately 5,145 acres of Federal land depicted as U.S. Forest Service Land to Sealaska on the map entitled Sealaska Land Exchange—U.S. Forest Service Lands and dated March 10, 2016. (d) Withdrawal Subject to valid rights in existence on the date of enactment of this Act, the Federal land described in subsection (c)(2) is withdrawn from— (1) all forms of entry, appropriation, or disposal under the public land laws