Refraining from building rock dams that span the creek is a good idea.

Father was surprised when I told him how we had crossed over the natural rock dam.

Traversing the natural rock dam away from the ship, I pointed out the ocean next to us.

Every so often it jogged, and she realized that those were the places they had put up rock dams that hadn't quite done the job.

It helped him be patient while waiting for fish to pass over the rock dam so we could catch them.

Now it backed at the rock dam created by the bridge.

Continuing upward there is a small rock dam creating a pool above the cascade.

We left it dry for the time being, with a natural rock dam to blow up later.

The old rock dam is still visible, although almost dismantled due to spring-time flooding and age.

Some creeks have been blocked with rock dams to raise water levels.