Hennepin Canal
Lock at Rock Falls, IL at entrance to feeder
7/8/09
view is north

Hennepin Canal
Lock at Rock Falls, IL at entrance to feeder
7/8/09
View is of upper gates with feeder inlet control structure on far side

Hennepin Canal
Lock at Rock Falls, IL at entrance to feeder
7/8/09
View is south

Hennepin Canal
Marker at lock at Rock Falls, IL
7/8/09

Hennepin Canal
Lower gates of lock at Rock Falls, IL
7/8/09