The Genesee County B League was a high school sport league in
Genesee County Michigan
Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...
that operated in the mid to late 20th century.
References
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Michigan high school sports conferences