51.   The waters surrounding the island are stocked with fish, and the sea bed is believed to be rich in mineral deposits.

52.   The waters surrounding the island are stocked with fish and the sea bed is believed to be rich in mineral deposits.

53.   The waters surrounding the island are stocked with fish and the sea bed is believed to contain extensive mineral deposits.

54.   Analyis has now revealed the cliffs are made up of billions of fragments of tiny algae containing calcium which settled on the sea bed like a snowfall.

55.   Both countries also controlled negligeable quantities of natural gas under the sea bed.

56.   But discussions were said to have become bogged down in such matters as whether the sea bed has a rateable value.

57.   The owner said that the hull had double structure but it would be impossible to work on it at such a deep sea bed.

58.   The ship has been towed to Mourteri, a small port on Euboea, and is now touching the sea bed, its hull in the air.

59.   The sea bed in that area is believed to be rich in hydrocarbon deposits.

60.   The sea bed is said to be rich in oil and natural gas.