To authorize the Secretary of Agriculture to acquire certain private lands to be added to wilderness areas in the State of Texas.

Directs the Secretary of Agriculture to acquire lands for addition to the following wilderness areas in Texas: (1) the Upland Island Wilderness, Angelina National Forest; (2) the Turkey Hill Wilderness, Angelina National Forest; and (3) the Big Slough Wilderness, Davy Crockett National Forest, Texas. Expresses the sense of the Congress that the Secretary shall acquire such lands within four fiscal years after the enactment of this Act. Requires such additional lands to be managed as wilderness areas. Authorizes appropriations.