11am-3pm Fri. Jul. 17

Research Vessel Blue Heron with local authors

11 a.m.–3 p.m.: Guided tours by research vessel crew and scientists. 11:30 a.m.–12:30 p.m: “The Ice on The Lake” presentation with author Alex Messenger. Afterwards, visit with Alex under the white tent. 2:00–3:00 p.m.: Visit with author Margi Preus under the white tent.

Twin Ports Harbor by Great Lakes Aquarium 353 Harbor Drive, Duluth

Cost: Free