Before revision: A DeLong pier is a type of elonged ersatz pier constructed from prefabricated barge-like sections and simple caissons driven into a harbor's seafloor.
After revision: DeLong pier at Vũng Rô Bay, Vietnam, in 1968A DeLong pier is a type of elonged ersatz pier constructed from prefabricated barge-like sections and simple caissons driven into a harbor's seafloor.