The Mesabi Miner departs out of the Duluth ship canal on March 16, starting the 2012-13 shipping season. The 1,000-foot Mesabi Miner was loaded with coal from Midwest Energy Terminal. More tons of coal were shipped through the Twin Ports in 2012-13 than in the previous shipping season. (2012 file / News Tribune)
Read the article: Shipping season tonnage down slightly in Twin Ports
