http://www.marinelink.com/news/greenstone-ii-to-depart-port-of-duluth-superior/greenstone-ii-to-depart-port-of-duluth-superior322784
Greenstone II to Depart Port of Duluth-Superior
The tank barge Greenstone II, the first vessel to be built by Superior’s Fraser Shipyards in nearly 40 years, is tentatively scheduled…