Washington, Pennsylvania, United States

Lock No. 9, Madison, PA, USA

Natural • Recreation

Huling Run, Washington, PA, USA

Allegheny Hydro # 9, Washington, PA, USA

Allegheny River, Madison, PA, USA

Dam No. 9, Madison, PA, USA

Lock Canal No. 9, Madison, PA, USA

Allegheny River below Lock and Dam 9 near Rimer, Madison, PA, USA

Lower Guard Wall, Madison, PA, USA

Allegheny River Lock & Dam No. 9, Madison, PA, USA

Lock and Dam 9, Madison, PA, USA

River Wall, Madison, PA, USA

Operations Building, Madison, PA, USA

Esplanade, Madison, PA, USA

Sherrett Cemetery, Washington, PA, USA

Upper Guard Wall, Madison, PA, USA

Allegheny River above Lock and Dam 9 near Rimer, Madison, PA, USA

Locktender's House, Madison, PA, USA

Allegheny River, Brady, PA, USA

Snyders Run, Sugarcreek, PA, USA

Phillipston Turntable, Brady, PA, USA