TRENTON, Mich. -

Officials say they have completed all major restoration work on a former brownfield site along the Detroit River.
 
Wayne County, the U.S. Fish and Wildlife Service and more than 100 partners have been working for nine years on the restoration of the Detroit River International Wildlife Refuge Gateway in Trenton.
 
The work's completion was announced on Saturday.
 
The Refuge Gateway is located on the river's Trenton Channel. It had been a Chrysler manufacturing facility that was deactivated in 1990.
 
The gateway sits next to the Humbug Marsh -- the last mile of natural shoreline on the U.S. mainland of the Detroit River.
 
The refuge itself includes more than 5,700 acres along 48 miles of the lower Detroit River and western Lake Erie.