Havers toned down the more radical features of the whaleback. The ship was designed by Alexander McDougall, the developer and promoter of the whaleback design. The G-5 was a single-step, hydroplaning design with a whaleback upper hull. The whaleback was a celebrated passenger vessel. She is considered the best example of a whaleback barge among Great Lakes shipwrecks. SS Meteor is the sole surviving ship of the unconventional "whaleback" design. The first self-powered whaleback was "Colgate Hoyt", launched in 1890. The Whaleback Fire caused a significant outage in 2018. The Whaleback Shell Midden is now a state historic site. She was usually towed by her consort whaleback steamer, the "Pathfinder". Also similar to "Normandie", "France" was equipped with a whaleback on her bow. The only British-built whaleback vessel was "Sagamore". She was the only whaleback ship ever built for passenger service. This steel whaleback was the first of its kind to sink in the Great Lakes. On the other side is a whaleback ridge, and beyond it steep plunging gullies.