1.   Drillers would plunge through a record depth of water to pierce farther into the ocean floor than anyone had gone before.

2.   Few creatures inhabit the ocean floor, where there is no light to sustain them.

3.   He assured Field that it was possible to lay a cable on the ocean floor.

4.   Hess then proceeded to describe the ocean floor as if it were a collection of giant conveyor belts.

5.   If this impact had occurred in deep water its traces on the ocean floor might be extremely hard to recognize.

6.   It surpasses even the natural abysses of the ocean floor.

7.   Looking down through my mask at the ocean floor, I saw an old motorcycle, probably from the fifties.

8.   Many wonderful creatures live on the ocean floor.

9.   On the Glomar Challenger, and back on shore, Hall met others who shared his enthusiasm for the ocean floor.

10.   The giant bivalves jammed the cracks between the black tufts of lava that covered the ocean floor.