D & H Canal
Lock 4, lower view
11/4/78
Creek Locks

D & H Canal
Lock 4, more close in lower view
11/4/78
Creek Locks

D & H Canal
Lock 4, lower  towptah wall
7/26/78
Creek Locks

D & H Canal
Lock 4, upper view
10/26/90
Creek Locks

D & H Canal
Lock 4 drydock looking downstream
11/4/78
Creek Locks

D & H Canal
Lock 4 drydock looking upstream
10/27/90
Creek Locks

D & H Canal
Lock 4 drydock looking downstream
4/30/94
Creek Locks