Original: An alternative definition , per the American Congress on Surveying and Mapping ( ACSM ) , is the science and art of making all essential measurements to determine the relative position of points and\/or physical and cultural details above , on , or beneath the surface of the Earth , and to depict them in a usable form , or to establish the position of points and\/or details .
Simplified: The construction of many of the pyramids , including the Great Pyramid of Giza , built c. 2700 BC , show us that the Egyptians have always used surveying very efficiently .