No living city had ever wandered onto the alluvial plain.

No city had ever come this close to the old alluvial plain.

Within an hour, they were driving across the old alluvial plain.

The southwestern part of the district is very low alluvial plain.

From the sea it was a short walk to the city across a mile of alluvial plain.

In the 1960s, there was significant agricultural development on its alluvial plains.

I looked down on the narrow alluvial plain below me.

A number of small alluvial plains are found in the corridor section.

The major part of this basin is an alluvial plain.

By now they were down on the alluvial plain of the Nile.

The above mentioned river plains have rich subterranean reservoirs of water.

Growing on the river plains are western bloodwoods and mitchell grass.

Resurrection had been on the river plain for a hundred years, Ascoria explained.

It had stood just north of the river plain where Resurrection now rested.

The sun was directly overhead when they reached the hills above the river plain.

The western part has steeper coasts, while on the east side river plains dominate.

I reached the hill's foot and spurred across the flat river plain to join the Roman road.

Now she swung to face the gap through which the road ran on into the river plain.

The nesting ground is a large flat river plain, larger than 3 football fields.

Since you don't want me heading for the mountains, why not let me take a team into the river plain?