Fort Machault
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Fort Machault was a fort built by the French in 1754 near the confluence of French Creek with the Allegheny River, in northwest Pennsylvania. The fort helped the French control these waterways, part o
Fort Ligonier 3
Mercer's Fort
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Mercer's Fort was a temporary fort built by Colonel Hugh Mercer during the winter of 1758–1759, to secure the "forks of the Ohio," at the confluence of the Monongahela River and the Allegheny River, w
Plan of Fort Pitt, showing the outline of Mercer's Fort at the top of page, labelled "M".
Plan of Fort Pitt showing the outline of Mercer's Fort at the bottom, labelled "K".