Bow Ridge Tunnel (1864)
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Bow Ridge Tunnel (1864)
Bow Ridge Tunnel (1864) in Derry Township.
Bow Ridge Tunnel (1864)
Bow Ridge Tunnel (1907)
West Penn Trail - Conemaugh Lake Section
Livermore
West Penn Trail
West Penn Trail - Bow Ridge Switchback
Conemaugh Hydro Plant
Bow Ridge
Conemaugh River