Geology Along the Lewis & Clark Trail

Geologic Points of Interest

The Confluence of the Shenandoah

At the confluence of the Potomac and Shenandoah Rivers, the armory town of Harpers Ferry is located. Lewis visited this location in March, June, and July of 1803. In 1859 John Brown's abolitionists' raid on the armory (at arrow) led to his conviction for treason and hanging in nearby Charlestown. Harpers Ferry is located along the western edge of the Blue Ridge Physiographic Province. (Lewis, 3/1803, 7/1803)

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