|Before moving next door to Midwest Energy Resources in Superior to load coal yesterday, the Canadian Olympic discharged limestone at the Hallett #8 Dock (above). You can see the Olympic’s self-unloader hanging just above the pile of limestone as its conveyor system moved the limestone from the boat’s cargo holds up and onto the pile. The other thing sticking up in the air, just left of middle, is the crane from the Marine Tech dredge. They were doing maintenance work just beyond Midwest Energy in an area where the high traffic at Midwest kicks up material from the bottom of the river. It can block the channel if not periodically dredged.