Some families lost oxen, wagons and personal belongings in the unforgiving and brutal terrain.

To help navigate the gorge's rugged and unforgiving terrain, a special piece of equipment called a swamp buggy had to be brought from Texas.

Their missions will be conducted in unforgiving and hostile terrain against a dangerous enemy.

The quake has spawned arguments that technology has gone too far in trying to tame California's unforgiving terrain.

However, using this route requires navigating the unforgiving terrain of the Gobi Desert.

Following about a week of repeated ambushes, pursuits and patrols by both sides across the unforgiving terrain, the "security forces" won the exercise.

The increasing popularity of winter sports, along with refinements in equipment and a push into ever more unforgiving terrain, have come at a price.

At the close of the 20th century, this wild region remains one of North America's roughest and most unforgiving terrains.

She had pushed it hard, using her strong arms to give it a savage beating against the unforgiving terrain.

The line was extended to Kyle, through some unforgiving terrain; almost all of the extension is in rock cuttings or embankments.