Big Thicket National Preserve Addition Act of 1993

[AI summary unavailable — showing source text] Big Thicket National Preserve Addition Act of 1993 - Expands the boundaries of the Big Thicket National Preserve, Texas, through the addition of specified lands in Hardin, Polk, Tyler, Orange, and Jasper Counties, Texas. Authorizes the Secretary of the Interior to acquire scenic easements on privately-owned undeveloped lands within the boundaries of the specified units added to the Preserve by this Act. Requires the Secretaries of Agriculture and of the Interior to exchange commercial timberlands within and in the vicinity of the Preserve. Prohibits the Secretary of the Interior from acquiring a specified area owned by the Louisiana-Pacific Corporation or its subsidiary, Kirby Forest Industries, Inc., without the owner's consent as long as the area is used exclusively as a youth camp. Authorizes appropriations.…