This vintage geological map of Texas from 1977 showcases the Del Rio Sheet and was published by the University of Texas at Austin Bureau of Economic Geology. It features a folding format and provides detailed information on the geology of the area, dating back to 1970-1979. The map is a vintage original and is in excellent condition for its age. It is a valuable addition to any collection of North America maps, maps, atlases, and globes, or antiques.