Big Thicket National Park : hearings, Ninety-third Congress, second session on on S. 314, a bill to establish the Big Thicket National Park in Texas; S. 1981, a bill to authorize the establishment of the Big Thicket National Biological Reserve in the State of Texas, and for other purposes; S. 2286, a bill to authorize the establishment of the Big Thicket National Biological Reserve in the State of Texas, and for other purposes; [and] H.R. 11546, a bill to authorize the establishment of the Big Thicket National Preserve in the State of Texas, and for other purposes, February 5 and 6, 1974. (U.S. Govt. Print. Off,, 1974)