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USA Science & Engineering Festival (2014) (Saturday) -- Program: Chris Hackett:
[1] USAP06_140426_02_STITCH.JPG
[2] USAP06_140426_03.JPG
[3] USAP06_140426_04.JPG
[4] USAP06_140426_05.JPG
[5] USAP06_140426_08.JPG
[6] USAP06_140426_32.JPG