He thought that this was evidence that the bottom of the ocean had been lifted up by powerful geological forces over long periods of time.

VOA: special.2009.02.25

The corals were discovered at the bottom of the Pacific Ocean, near the Hawaiian Islands.

VOA: special.2009.05.12

One language expert says that deep six is the bottom of the ocean.

VOA: special.2009.05.24

The shark then bleeds to death on the bottom of the ocean.

VOA: special.2009.06.16

The minerals calcium and sulfur were at the bottom of the ocean.

VOA: special.2010.01.04

the final six feet at the bottom of the ocean.

VOA: special.2009.05.24