Elevations

I don't know if there is a good answer for this, to prevent coastal flooding from most all causes I would think at least 100 feet above sea level. But even well above sea level a flooded river or stream could cause inland flooding.

Mt McKinley, Alaska, is tallest of any state at 20,327 ft.

Mt Whitney, California, is the tallest in the lower 48 at 14,505 ft

Pennsylvania's highest point is Mount Davis at 3,213 feet (979 meters) above sea level

Romania is above the sea level.

Mount Mitchell is 6,684 feet (2,037 meters) above sea level

maryland's highest elevation is at 3,360 feet above sea level

Elevation refers to the height of a point on the Earth's surface relative to sea level, while altitude is the height of an object above the Earth's surface in the sky. Elevation is commonly used in geography to describe the height of land features like mountains, while altitude is often used in aviation to refer to the height of an aircraft above the ground.

Monroe, North Carolina is 591 feet (180 meters) above sea level

The elevation of Washingtonville, NY is approximately 525 feet above sea level.

Leadville, Colorado is 10,152 feet (3,094 meters) above sea level

Segmental level

According to the CFS (Canadian Flight Supplement) Nov 2012, the elev of the runway at Kitchener/ Waterloo airport CYKF, is 1055 ASL (Above Sea Level)

Yangon is situated at an average elevation of around 34 feet (10 meters) above sea level.

The highest is Hawkeye Point (671 ft)

The lowest is the confluence of the Des Moines and Mississippi River at Keokuk, Iowa (480 ft)

Yes, Sydney is above sea level. The average elevation of Sydney is around 50 meters (164 feet) above sea level.

Haverhill, Massachusetts is approximately 150 feet above sea level.

its tegcigal and the lowest is danli

what is the highest and lowest elevation points in sydeny metric and customary

Lake Chad lies approximately 278 to 286 metres (912 to 938 ft) above sea level. The range is due to the considerable variation in depth of this relatively shallow lake with the seasons and from year to year.

Surrey, BC ranges in elevation from about 0 to 500 feet above sea level, depending on the specific location within the city.

Instruments: Lateen sails

Improvments: Caravel

Mount Evans is a 14,265 feet (4,348 m) mountain in the Front Range region of the Rocky Mountains, in Clear Creek County, Colorado.

500 fr

Canyon Country, California is located at an elevation of around 1,643 feet (500 meters) above sea level.