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Related Historical Markers

By Craig Swain, April 6, 2007
Guilford Signal Station Marker
SHOWN IN SOURCE-SPECIFIED ORDER
| Near Old Vestal's Gap Road. |
| On Loudoun Street SW, on the right when traveling west. |
| On Catoctin Mountain Highway (U.S. 15) at Willow Road, on the right when traveling north on Catoctin Mountain Highway. |
| On Hessong Bridge Road, on the left when traveling north. |
| On Blacks Mill Road at Catoctin Furnace Road (Maryland Route 806) on Blacks Mill Road. |
| On North Church Street at West Main Street (Maryland Route 77), on the left when traveling north on North Church Street. Reported permanently removed. |
| Near Catoctin Mountain Highway (U.S. 15), on the right. Reported permanently removed. |
Nov. 13, 2026