THE LONE STAR EMPIRE Holds a Birthday Party The Esplanade of the Texas Centennial exposition at night The buildings in the background are the Travel, Transportation and Petroleum group. By ELMO SCOTT WATSON SATURDAY morning, June 6. Parry avenue in Dallas, Texas, is jammed with people ? hun dreds of them, thousands of them ! Men, women and children ? iTexans and residents of dozens of other states in the Union. They have been here for hours ? waiting, waiting! Some of them have been traveling by train for days to reach this city. Others have come in automobiles? driving all night to be here on time. Still others swooped down from the skies to the airport outside the city only this morning and hastily taxied out here. TJ..4. *1 -11 I t _ ,1. .