Shotline Diving’s Glossary Terms.AllABCDEFGHIJKLMNOPQRSTUVWXYZMMackinaw boatMackinaw Boat: A Versatile Maritime DesignThe Mackinaw boat is a historic vessel type that originated... Learn More → Manitoulin IslandManitoulin Island (Ontario, Canada) • Definition: The largest freshwater island in the world, located in Lake... Learn More → Marine Casualties on the Great LakesA collection of official reports and documentation detailing shipwrecks, collisions, groundings, fires, and other accidents... Learn More → Marine Museum of the Great LakesThe Marine Museum of the Great Lakes in Kingston, Ontario, is a leading institution for... Learn More → Maritime Archaeological Survey Team (MAST)Maritime Archaeological Survey Team (MAST)OverviewThe Maritime Archaeological Survey Team (MAST) is a volunteer organization based... Learn More → Maritime History of the Great LakesWebsite: http://www.maritimehistoryofthegreatlakes.ca This website provides a vast collection of historical documents, photographs, vessel registries, and accounts... Learn More → MarquetteMarquette, Michigan • A key port for iron ore shipping, Marquette has been a centre for... Learn More → MassenaMassena: Home to the Eisenhower Lock, part of the Seaway system, critical for controlling vessel... Learn More → Merchant Vessel ListThe Merchant Vessel List was an official registry and annual publication used to record details... Learn More → MichiganMichigan • Lakes Bordering: Lakes Superior, Michigan, Huron, and Erie. • Key Cities and Features: Detroit, Traverse... Learn More → Middle IslandMiddle Island (Ontario, Canada) • Definition: The southernmost point of Canada. • Significance: • Protected as part of... Learn More → Middle Island Sinkhole – Lake HuronMiddle Island Sinkhole – Lake Huron • Location: Approximately 500 feet (152.4 m) north of Middle... Learn More → Milwaukee JournalMajor daily city newspaper. Location & Coverage: Published in Milwaukee, Wisconsin (1882–1995 as The Milwaukee Journal,... Learn More → Milwaukee News(19th‑century predecessor/competitor paper) Type: Local Milwaukee daily/semi‑daily paper (active in late 1800s, exact run varies by... Learn More → Milwaukee Sentinel• Definition: The Milwaukee Sentinel was a prominent newspaper in Milwaukee, Wisconsin, founded in 1837.... Learn More → MinnesotaMinnesota • Lakes Bordering: Lake Superior. • Key Cities and Features: Duluth, Two Harbors, Boundary Waters Canoe... Learn More → Montreal Transportation Co. A collection of historical records and documents related to the operations of the Montreal Transportation... Learn More → Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading...