On October 20, 2000, the National Oceanic and Atmospheric Administration (NOAA) designated Thunder Bay National Marine Sanctuary as the nation
Sunken Treasure: Thunder Bay National Marine Sanctuary - Michigan
Long-lost ship, the Ironton, found in Lake Huron with lifeboat intact
National Marine Sanctuary Foundation
Travel Grant Presentation - Documenting the Submerged: Digital
Adventures of Ed the Bear: Thunder Bay National Marine Sanctuary
National Marine Sanctuary Foundation
File:Thunder Bay NMS map.jpg - Wikipedia
Glass-bottom boat shipwreck tours return to Michigan's only
Thunder Bay National Marine Sanctuary - Wikiwand
Huronsee – Wikipedia
Thunder Bay National Marine Sanctuary – Absolute Michigan