The research vessel Blue Heron was active on Tuesday. It left Duluth Harbor at 7:50 a.m. and returned at 11:45 a.m., then left again at 12:15 p.m. and returned at 4:05 p.m. The vessel, which belongs to the University of Minnesota Duluth Large Lakes Observatory, was docked at the Corps of Engineers vessel yard overnight. The Large Lakes Observatory launched an unmanned submarine on Thursday; the Blue Heron, which the University of Minnesota purchased in 1997, performs research in a more traditional manner. It has berthing for 11 crew and scientists.
Wednesday, Sept. 23
DULUTH ENTRY
Morning: Alpena, arriving to unload concrete; Paul R. Tregurtha, departing with coal.
Afternoon: Voorneborg, departing with grain.
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Evening/night: Indiana Harbor, arriving to load coal.
SUPERIOR ENTRY
No traffic expected
TWO HARBORS
Morning: Edwin H. Gott, arriving to load iron ore pellets.
Afternoon: Edwin H. Gott, departing with iron ore pellets.
For updated information 24 hours a day, call the Boatwatcher's Hotline at (218) 722-6489.
Source: The Lake Superior Marine Museum in Canal Park, U.S. Army Corps of Engineers and the University of Minnesota Duluth Large Lakes Observatory Web site. Arrival and departure times are not official and can vary widely.