59–61ft depth • up to 15ft relief • Concrete culverts, power poles, boxes, 110ft steel barge & Steele Memorial

12ft depth • up to 3ft relief • Concrete culverts, Reef balls, concrete modules

30ft depth • up to 13ft relief • Reef center, concrete bridge sections, Concrete culverts

42ft depth • up to 11ft relief • 90ft steel barge, Reef center, concrete bridge sections