DETROIT - The U.S. Army Corps of Engineers (USACE) is coordinating cleanup of aluminum cans and can fragments inadvertently deposited on Minnesota Point during dredge material placement in the fall of 2020.
USACE placed 49,000 cubic yards of beneficial use dredge material on Minnesota Point at the city’s request during annual Duluth-Superior Harbor maintenance dredging operations in August and September. In 2019, 53,000 cubic yards of dredge material was placed on the south end of Minnesota Point to minimize erosion due to high water and protect old growth trees. The city requested additional material in 2020 to help restore the eroded beach and dune habitat.
The debris likely resulted from dredge equipment encountering an area containing trash discarded in the harbor in the 1970s based on aluminum can vintage. About 27,000 cubic yards of dredge material came from the area USACE officials believe contained the debris.