They wanted the spot because that's where the spring is, the only permanent source of water in this region.
Some critics say that will change only when a permanent financial source is found.
This spring is the most permanent source of water in the park.
They are usually found within lightly forested areas near permanent sources of water.
Therefore, this will be a permanent source of disequilibrium in the system.
It is also likely to be popular in African markets, where permanent sources of power are often not available.
The law, however, did not provide a permanent source of money to buy and preserve the wetlands.
There are no permanent sources of fresh water on the island.
The well acted as a permanent source of water to the settlers.
They drink at least once a day and are never far from a permanent source of fresh water.