Capt. Keith Colburn will conduct a featured presentation entitled "Backpacks, Bicycles and the Bering Sea" on Saturday, March 20, from 1pm until 2pm followed by a Meet and Greet from 2pm until 4pm.  Another Meet and Greet will be held on Sunday, March 21, from 1pm until 3pm.  For additional information and details visit www.adventureexpo.com/chicago