The Great Black Swamp (also known simply as the Black Swamp) was a glacially fed wetland in northwest Ohio, sections of lower Michigan, and extreme northeast Indiana, United States, that existed from the end of the Wisconsin glaciation until the late 19th century.

Defiance Rugby

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Findlay Rugby

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Mad Anthony Rugby Club (Anthony Wayne)

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Perrysburg Rugby

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Toledo Penguins

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Toledo Jr Celtics/Woodward High School

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