Sea Robin/barge Hugh in Duluth harbor

The tug Sea Robin arrived in Duluth on Tuesday afternoon at 2:30 (above). It was pushing the barge Hugh with a cargo of calcium chloride for the Hallett #8 dock in Superior. Calcium chloride is a high grade liquid (42% salt content) that needs to be diluted a bit here before it is sent to the end customer, mostly county highway departments in Minnesota. They use it to keep the dust down on road … [Read more...]

Tug barge makes first Twin Ports appearance

The tug barge combination Sea Robin and barge Hugh came under the Lift Bridge on Tuesday afternoon at 2:30. Cargo: liquid calcium chloride loaded near Ludington, Michigan. … [Read more...]