Shipping from Lake Superior to the lower lakes and other parts of the world has ended for the season. The 767-foot Cason J. Callaway, with 25,000 tons of taconite pellets loaded at Two Harbors, Minn., passed through the Poe lock at Sault Ste. Marie, Mich. just after sundown on January 15th. The locks at Sault Ste. Marie are scheduled to reopen on March 25th, 2013. Read more from a recent Minneapolis Star Tribune article…