Story and Photography by W. RAY SCOTT Published by NATIONAL PARK CONCESSIONS, INC. Copyrighted 1950 by National Park Concessions, Inc. Southwestern Texas, along the Big Bend of the Rio Grande, one of the last scenic frontiers of America is located in a remote and unspoiled setting. Vast stretches of plains and range land, interspersed with numerous outcroppings of buttresses and ridges, end abruptly against a mass of mountains near the Mexican border. Etched and carved by the master hand of “Ero