"President Johnson and Ordaz settle a century-old U.S. - Mexican border dispute as a brief ceremony returns to Mexico 437 acres of land separated when the Rio Grande changed course in the 1850's." Mexico TLS crowd holding banner, reads, "El Paso & Juarez Welcomes The Presidents." TLS/MSs President LYNDON BAINES JOHNSON (LBJ) & President GUSTAVO DIAZ ORDAZ riding in open convertible, waving to supporters as a rain of confetti falls from surrounding building; paper blizzard. TLS crowd waving flags along parade route. MSs President Johnson & Ordaz signing treaty. Sideview TLS crowd applauding. MS presidents standing, holding hands aloft after signing. TLS Mexican & American flags flying from flagpoles.