Keywords: dig13937_005.jpg dig13937005jpg austin tx usa 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 |