The lock itself is constructed of granite from the Patapsco and white flint stone from across the river in Virginia. It’s just a half mile downstream of the 100-foot long Catoctin Aqueduct. Learn more.
The lock itself is constructed of granite from the Patapsco and white flint stone from across the river in Virginia. It’s just a half mile downstream of the 100-foot long Catoctin Aqueduct. The adjacent lockhouse is still standing.