The structure is a 170-foot-high earthen dam, creating a seasonal lake in the winter.
At one point, a catastrophic change reduced the vast body of fresh water to a seasonal lake or marsh.
A turlough is a seasonal lake which usually dries up in summer.
At the center of the basin is a "seasonal lake," or hamun.
Before that it formed a seasonal shallow lake or swamp.
The lake is a shallow, brackish, seasonal lake with a large area of open water when full.
It also revealed that what had been thought to be a water feature was an ancient spring which might have been part of a seasonal lake.
It is a small seasonal lake and is filled with water mostly in the rainy season.
On the southern-most end of the camp property is a small seasonal man-made lake.
Lake Hamun is a seasonal lake that is often dry.