Its surface was extremely rugged, and in different places there were seen upon it pools of water.

This type of rock formation is extremely rugged and cracked looking.

It was extremely rugged, easy to operate, and almost foolproof.

This belt goes from low hills to high mountains across its length, with the majority of the region being extremely rugged.

The area is extremely rugged with high steep mountains and deep canyons.

The terrain was extremely rugged and it would not have been feasible to take the ground by force.

They are usually less able to handle extremely rugged terrain than "man walkers".

The country's geography is diverse and, in places, extremely rugged.

A beautiful enough and extremely rugged Country; interesting to the picturesque mind.

And two, that it had to have been extremely rugged.