It is shown as being 150 feet above mean sea level.
He was the first person to determine mean sea level.
Water levels in the lake are measured from mean sea level.
The Lake is about 2,500-2,550 feet above mean sea level.
It has an average elevation of 215 above mean sea level.
It is at an altitude of 495 feet above mean sea level.
And for children whose mothers smoked, the mean level was 0.35.
The district is at an average height of 357 m from mean sea level.
At its central point, the bridge is 7.5 meters above mean sea level.
They climbed up to 2,835 m above mean sea level on the way.