They were built specifically for handling the gates of the canal locks.
There is a canal lock here, and at the south end of the village a wharf was built.
A major flood in 1913 required that the remaining canal locks be destroyed.
The canal lock and new gate were completed in the May 1928.
There are also five structures, all former canal locks.
The canal locks were used to control the water level.
The now dry canal locks can be seen just east of downtown.
We experienced an extraordinary vacation, during which our most difficult decision was whether to walk or bicycle to the next canal lock.
Many people have old canal locks in their back yards.
Ten canal locks were built for navigation on the river in the late 19th century.