Keywords: dig13937_019.jpg dig13937019jpg austin tx usa indoor Cooper Hernandez, age 9, writes down a clue in the treasure hunt. The LBJ Presidential Library participated in Austin Museum Day on Sunday, Sept. 18, 2016, holding a family-friendly treasure hunt for historical clues in the exhibits. LBJ Library photo by Jay Godwin 09/18/2016 Cooper Hernandez, age 9, writes down a clue in the treasure hunt. The LBJ Presidential Library participated in Austin Museum Day on Sunday, Sept. 18, 2016, holding a family-friendly treasure hunt for historical clues in the exhibits. LBJ Library photo by Jay Godwin 09/18/2016 |