East side diving consists of gently sloping coral reefs with sandy patches and the occasional boulder in between.

This sediment is stratified and sorted, and usually consists of pebble/cobble-sized material with occasional boulders.

Armouring of the stream bottom consists of pebbles, cobbles and occasional boulders.

The Sow of Atholl is not a hill rich in geographical highlights, its steep slopes are covered in heather interspersed with grass and the occasional boulder.

We came to level, clear stretches with only an occasional boulder or ravine, and the rock became less cruel to our bleeding feet.

Directly beneath me I saw smooth river rocks, with occasional boulders and clumps of scraggly brush that stretched about fifty yards away, to the far side of the riverbed.

They walked through grass and wildflowers, past widely scattered bushes and an occasional upstanding red-rock boulder.

The occasional boulder stood as high as horse and rider, and lordly falcons well over two feet tall sat on the ground and glared at us as we passed.

On either side, the shoulders dropped off into rank, soggy-looking grass and brush studded with occasional nice big boulders.

Owen Chantry spoke to his horse and turned into the aspen, weaving through the slim and graceful white trunks, ftround deadfalls and occasional boulders, fallen from the mountain.