Subsequently a canal was cut about a mile to the north, which shortened the navigation route.

The river had formed a major navigation route for earlier civilisations.

Many of the inland settlements are on rivers that had been major navigation routes during the Roman era.

They stole the election, stoned people to death and threatened to close a international navigation route.

It was historically an important navigation route for the city of Ferndale, California.

In the 15th century, there was a recognised navigation route to the west of the island.

The navigation route in the vicinity of Abingdon has been subject to change over the centuries.

If they came over the highroad, to here-maybe, back 4 there, the navigation routes weren't lost.

But tell me, I thought only the League was investigating the navigation routes to this area.

It was feared that construction of the dam would block navigation routes and violate the treaty.