Introduction and Methods of Leveling

Leveling is a surveying procedure used to determine elevation differences between distant points. Elevation refers to the vertical distance above or below a reference datum, typically mean sea level (MSL). In the United States, elevations are often referenced to the mean sea level station at Father Point Rimouski along the St. Lawrence Seaway. T...

Leveling is a technique to determine the difference in elevation between various points on the Earth.

Elevation is the vertical distance above or below the region’s mean sea level....