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[COUNTABLE]
The foundation of the pillars in the navigable channel of the river were built during the same year.
During the night, Mexican forces placed obstructions in the only navigable channel.
This bridge is the official end of the navigable channel for river traffic.
It kept drifting right and left in the navigable channel.
The river delta is highly braided with three main navigable channels.
Two navigable channels cut across the northern and southern ends of the barrier reef.
However, this is not a navigable channel but rather an uneven bottom.
The appearance of new navigable channels also requires much tighter security and environmental standards to be established.
The inner lagoon has a navigable channel to the ocean.
Thirteen broads are generally open to navigation, with a further three having navigable channels.
