Thunder Bay National Marine Sanctuary and Underwater Preserve is a United States National Marine Sanctuary on Lake Huron's Thunder Bay, within the northeastern region of the U.S. state of Michigan. It protects an estimated 116 historically significant shipwrecks ranging from nineteenth-century wooden side-wheeler paddle steamers to twentieth-century steel-hulled steamers. There are a great many wrecks in the sanctuary, and their preservation and protection is a concern for United States government policymakers. The landward boundary of the sanctuary extends from the western boundary of Presque Isle County to the southern boundary of Alcona County. The sanctuary extends east from the lakeshore to the international border. Alpena is the largest city in the area.

History

thumb|left|Map of Thunder Bay sanctuary showing original boundaries

The National Oceanic and Atmospheric Administration established Thunder Bay National Marine Sanctuary and Underwater Preserve on June 22, 2000. It became the thirteenth national marine sanctuary overall and first on the Great Lakes. Original boundaries followed that of Alpena County to 83 degrees west longitude totaling . In 2014 it was expanded to . The marine sanctuary contains many shipwrecks, such as the hull of package freighter SS Pewabic.

Great Lakes Maritime Heritage Center

thumb|Resource Protection Specialist Cassandra Sadler prepares to deploy a lift bag to take the midwater buoy line to the surface during [[buoy operations in the sanctuary.]]

thumb|A [[Underwater diving|diver over the wreck of .]]

Tied to the sanctuary is the Great Lakes Maritime Heritage Center. The museum, located in Alpena on the Thunder Bay River, features exhibits about local shipwrecks and the Great Lakes, an auditorium, an archaeological conservation laboratory, and education areas.

See also

  • List of shipwrecks in the Thunder Bay National Marine Sanctuary
  • Michigan Underwater Preserves
  • Rockport State Park

References

  • Thunder Bay National Marine Sanctuary and Underwater Preserve NOAA
  • Great Lakes Maritime Heritage Center NOAA
  • Michigan Underwater Preserve Council
  • "In Michigan, a Park Made of Water" – New York Times