The 218 ft William H. Barnum was built in 1873 and sank with a load of corn enroute from Chicago to Port Huron in 1894. The ship started taking on water due to grinding through the spring ice. Tug Crusader saved the crew after trying unsuccessfully to tow the ship to shallow water. The wreck is located in 70 ft of water 5.5 miles east of the Makinac Bridge in Lake Huron and is a popular dive site. The model was created from 5126 photos taken in two dives in unusually poor visibility with a combination of natural and artificial light. The model. has noticeable gaps in the hull.