The hummocky terrain, small elevated plains and narrow ridges suggest that its formation is of glacial origin.

We were able to practice pulling our sledges across the hummocky, often water-logged terrain of the plateau.

The outer rim is surrounded by a small rampart of hummocky terrain.

They were almost a mile away, in camouflage jackets, belly crawling across the hummocky terrain.

Debris avalanches are diagnosed for landscapes where the volcano has an amphitheater at the source with hummocky terrain downhill.

In the hummocky terrain of the valley floor the hollows, channels and gentle slopes are occupied by peat.

Some were permafrosts and heaves, which produced hummocky terrain.

The interior of Rembrandt includes two terrain types: hummocky terrain and smooth plains.

The exterior consists of hummocky terrain with many boulders, ranging up to 100 m or more in diameter.

This crater lies along the outer rampart of the much larger Hausen, and is surrounded by uneven, hummocky terrain.