noun a city in SW Pennsylvania.
castle shannon 🔊 Listen to this noun a city in SW Pennsylvania. Castle Shannon, Pennsylvania – Wikipedia Castle Shannon History In Pictures | Community Library of Castle Shannon 2897 E May St, Castle Shannon, PA 15234 – Liberal Dictionary® Castle Shannon History In Pictures | Community Library of Castle Shannon 1 injured in crash between car, light-rail train in Castle Shannon Castle Shannon (Finleyville – 11) | Keystone Marker Trust Share Facebook Twitter Google +