And last month, the second dam removal began, as crews started dismantling the DuPont Experimental Station Dam in Wilmington, Del. “Our objective is to enable the migration of American shad and other migratory fish up the river,” said Jim Shanahan, the executive director of the Brandywine River Restoration Trust. ‘Fish, fish, fish’Taking down Dam SixThe DuPont Experimental Station Dam, also referred to as Dam Six, was built in 1839. As the dam is removed, Brandywine River Restoration Trust is implementing historic preservation initiatives. While Brandywine River Restoration Trust is not specifically in the dam removal business, the group will contribute to the nationwide trend as it works toward its mission to restore habitat in the river.