Courtesy of Door County Museum
"On Sept. 24, 2016, Trotter
and his dive team decided they wanted to make a quick
dive on the target they discovered three months prior.
When the divers surfaced, Trotter happened to be
videotaping, and one of the divers said, “Dave, there’s
a whaleback down there" Trotter responded by saying,
“You have to be kidding me; that has to be