This allowed vessels to cross at high and low levels while conserving water (compared to building locks).

Unfortunately, at that time, there was no known channel wide and deep enough to allow large naval vessels to gain access to the Great Sound.

Kiribati also allows French vessels to fish in its waters.

A draw bridge allowed larger vessels to pass through.

It allowed vessels to enter and leave the canal on any tide.

The lift span could be fully opened to allow large commercial vessels to pass.

There is a drawbridge where the road crosses the lock which may be raised to allow larger vessels to pass.

Why allow foreign vessels to undermine those hard-fought gains?

Increases in size and speed allowed vessels to fish in more distant waters.

The Rochdale is a broad canal because its locks are wide enough to allow vessels of 14 feet width.