[okie01]

For the most part, the North Sea is relatively shallow. This finding seems to represent yet more evidence that sea level was once substantially lower than it is today.

Not just in the orphaned Mediterranean and Black Sea basis, either. If sea level was 300' lower in the North Sea, it was probably 300' lower in the Gulf of Mexico, as well.

[Grut]

...it was probably 300' lower in the Gulf of Mexico, as well.

Or more. The principle of isostacy says that if the weight of the glaciers pressed arctic lands down, non-arctic lands would have risen to keep the volume of the earth the same. So the apparent drop in sea level would have been greater towards the equator.

[Vigilanteman]

The virtual features they have developed include a river the length of the Thames which disappeared when its valley flooded due to glaciers melting.

This could have been prevented if Al Gore had been around to warn the world about the seriousness of global warming.</ sarcasm>

[Carry_Okie]

This finding seems to represent yet more evidence that sea level was once substantially lower than it is today.

Sea levels derived from coral dieoff strata off the Pacific Coast near San Francisco.