CLASSIFICATION OF SURVEY-PRINCIPLE OF SURVEY-UNITS OF MEASUREMENTS-PLAN AND MAPS
SURVEYING OR LAND SURVEYING IS THE TECHNIQUE PROFESSION, AND SCIENCE OF DETEMINING THE TERRESTRIAL OR THREE DIMENSIONAL POSITION OF POINTS AND THE DISTANCES AND ANGLES BETWEEN THEM.A LAND SURVEYING PROFESSIONAL IS CALLED A LAND SURVEYOR .THESE POINTS ARE USUALLY ON THE SURFACE OF THE EARTH,AND THEY ARE OFTEN USED TO ESTABLISH LAND MAPS AND BOUNDARIES FOR OWNERSHIP,LOCATION LIKE BUILDING CORNERS OR THE SURFACE LOCATION OF SUBSURFACE FEATURES,OR OTHER PURPOSES REQUIRED BY GOVERNMENT OR CIVIL LAW, SUCH AS PROPERTY SALES