He was studying something that he saw against the sheer rock.
The southern mountains offer excellent, but very difficult climbing with many sheer rock faces.
Before him, the sheer red rocks loomed like a wall.
He staggered against the wall, grabbing the sheer rock to hold himself upright.
The back walls of the bowl were sheer rock faces.
He waved his dummy hand towards the sheer rock above us.
Clouds far below hung hard against the sheer rock walls.
He fell back against the sheer rock and opened fire with a wide burst.
The hill is protected by sheer rock faces on its east and north sides.
Then she realized that she'd gotten to sheer rock.
