Lady Bird and her group stop at the Alamo; Lady Bird travels to Big Bend National Park ; Lady Bird arrives at Presidio Airport for ceremony; Lady Bird describes scenery on two-hour drive to Big Bend; BBQ luncheon and ceremony; Lady Bird describes the terrain of the Chisos Mountains and Big Bend; two-hour hike on the Lost Mine trail; a naturalist narrator accompanies group; Lady Bird gives press time for photos and questions; dinner on a mesa top; Lady Bird describes glory of the sky, entertainment and stories