1.   Only in the most favourable circumstances could towns away from the coast or navigable rivers grow to much of a size, a condition emphasised by Adam Smith.

2.   Canoeists and boaters who use the last freely navigable river in England could soon need a licence before getting on the water.

3.   He saw what a great airport could do for a city with no navigable river.

4.   Parts of the Kamchatka Peninsula, opposite the western tip of the Aleutian Islands of Alaska, received no deliveries before navigable rivers froze over.

5.   Under the U.S. Constitution, navigable rivers are public property.

6.   Inland, on the other hand, are wide and placid navigable rivers, waterfalls, swaths of rainforest, and mountain ranges suitable for adventure tourism.

7.   There also are forests, navigable rivers that can be dammed for hydroelectric power, fertile soil and a semi-tropical climate.