Back in January, the History Channel was in the Duluth / Superior harbor filming for a new series.  Now the finished product is ready and we can catch in on the History Channel July 19th.  The show begins at 9pm on July 19th and will feature tug boats, ice breakers, and other ships throughout the great lakes.  It's an 8 part series, and covers the major harbors of the great lakes:

Filming was done on Lake Michigan, including Calumet Harbor, Illinois; Gary and Burns Harbors, Indiana; Milwaukee, Oak Creek, Sturgeon Bay, and Marinette, Wisconsin; and on Lake Superior, including Duluth-Superior Harbor and Thunder Bay, Ontario Canada.

Read more and meet the characters at tvbythenumbers.zapit.com.