Much of the state is at or near sea level.

Get down to sea level, stay out of the way.

Most of the industry and white population are down at sea level.

Soon men could not live within 500 feet of sea level.

It is just high enough to get him above sea level.

They live on the ground, but some have been found living in places 10,000 feet above sea level.

It is 1720m above sea level, instead of the 1718m used before 2003.

Most were on higher ground in a city where much of the land is below sea level.

I'd always lived at sea level and near the water.

You point out that sea levels 120,000 years ago were some 20 feet higher than today.