The sharp rocks, or moraine, which were stuck in the glaciers caused them to scrape out the valleys much deeper.

The rocks caused only minor damage but shortly afterward the ship ran aground again and lost its rudder.

And rock 'n' roll at its best can provoke people and cause them to act.

Limping, I worked my way along a slope, worrying that a rock beneath the snow would shift and cause me to fall.

Do not dive into unknown water as hidden rocks or shallow depths can cause serious injury or death.

These plucked rocks can also cause abrasion against the bedrock and walls.

Which is to say: a rock, not nearly large enough to cause any real damage.

A very strong current and rocks below the waterline have caused many boat accidents there.

The rocks did not cause material damage or personal injury, and the municipality took no action besides setting up a warning sign by the road.

Officials say that rocks, earth and other debris blocked the river and caused flash flooding.