The county seat of Yohogania County was near the Monongahela River, within the present borough of Jefferson Hills across from Elizabeth.
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This creek is just south of the present-day town of Follansbee, West Virginia, entering the Ohio River across from Mingo Junction, Ohio.
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Additionally, the land which encompasses the present day North Versailles Township was disputed territory between Pennsylvania and Virginia, which claimed the area as part of Yohogania County of the District of West Augusta.