the salem river cut-off, which bypasses a large bend in the river at the port, was authorized in 1925. for much of the 20th century, the waterfront along the salem river cut-off and fenwick creek was dominated by industries centered around glass manufacturing, food processing, and mineral/oil storage. from 1905 to 1978, h. j. heinz company operated a large processing plant along fenwick creek. mannington mills, anchor glass, and aluchem are located proximate to the port, as well as the south jersey farmers exchange in nearby woodstown.