Shotline Diving’s Glossary Terms.

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Mackinaw boat

Mackinaw Boat: A Versatile Maritime DesignThe Mackinaw boat is a historic vessel type that originated...

Manitoulin Island

Manitoulin Island (Ontario, Canada)  • Definition: The largest freshwater island in the world, located in Lake...

Marine Casualties on the Great Lakes

A collection of official reports and documentation detailing shipwrecks, collisions, groundings, fires, and other accidents...

Marine Museum of the Great Lakes

The Marine Museum of the Great Lakes in Kingston, Ontario, is a leading institution for...

Maritime Archaeological Survey Team (MAST)

Maritime Archaeological Survey Team (MAST)OverviewThe Maritime Archaeological Survey Team (MAST) is a volunteer organization based...

Maritime History of the Great Lakes

Website: http://www.maritimehistoryofthegreatlakes.ca This website provides a vast collection of historical documents, photographs, vessel registries, and accounts...

Marquette

Marquette, Michigan  • A key port for iron ore shipping, Marquette has been a centre for...

Massena

Massena: Home to the Eisenhower Lock, part of the Seaway system, critical for controlling vessel...

Merchant Vessel List

The Merchant Vessel List was an official registry and annual publication used to record details...

Michigan

Michigan  • Lakes Bordering: Lakes Superior, Michigan, Huron, and Erie.  • Key Cities and Features: Detroit, Traverse...

Middle Island

Middle Island (Ontario, Canada)  • Definition: The southernmost point of Canada.  • Significance:  • Protected as part of...

Middle Island Sinkhole – Lake Huron

Middle Island Sinkhole – Lake Huron • Location: Approximately 500 feet (152.4 m) north of Middle...

Milwaukee Journal

Major daily city newspaper. Location & Coverage: Published in Milwaukee, Wisconsin (1882–1995 as The Milwaukee Journal,...

Milwaukee News

(19th‑century predecessor/competitor paper) Type: Local Milwaukee daily/semi‑daily paper (active in late 1800s, exact run varies by...

Milwaukee Sentinel

• Definition: The Milwaukee Sentinel was a prominent newspaper in Milwaukee, Wisconsin, founded in 1837....

Minnesota

Minnesota  • Lakes Bordering: Lake Superior.  • Key Cities and Features: Duluth, Two Harbors, Boundary Waters Canoe...

Montreal Transportation Co.

 A collection of historical records and documents related to the operations of the Montreal Transportation...