C & O Canal
Dam 4
5/3/14
View across dam to West Virginia

C & O Canal
Dam 4
5/3/14
Flood control gate house at Dam 4

C & O Canal
Dam 4
5/3/14
Display panel at Dam 4

C & O Canal
Dam 4
5/3/14
Display panel at Dam 4

C & O Canal
Dam 4
5/3/14
Lower view of flood gate at Dam 4