The channels had silted in and were just a few feet deep. Most of the debris from the fire had collapsed into the basin forming an almost impenetrable mass.
Siltation of marinas and harbors poses a threat to the operation of marinas and harbors throughout the world and has caused several in the United States to close temporarily or go of out business permanently.
The park has high ecological value, and consists of wetlands, low-land forest and Burnaby Lake.
Most of the lakes in this region have become choked with floating, submerged and emergent weed masses – such as floating hyacinth, lilies, myrtle, grasses, cattail, willows and Palmetto palms – along with the usual build-up of silt and sediment.
U.S. Environmental Protection Agency and Phelps Dodge Corp. along with the state of Michigan shared the costs of an $8 million cleanup project on Tannery Bay, a polluted bay west of Sault Ste. Marie, Michigan.
When the Wisconsin Department of Transportation (WDOT) began construction of State Highway 45 West near Clintonville, the project appeared to be routine. Once underway, however, the project took on an unusual course.