Land surveying is the art and science of:
1) reestablishing cadastral surveys and land boundaries based on documents of record and historical documents;
2) planning, designing and establishing property boundaries;
3) and certifying surveys as required by statute or local ordinance such as subdivision plats, registered land surveys, judicial surveys, and space delineation.
Land surveying can include associated services such as mapping and related data accumulation; construction layout surveys; precision measurements of length, angle, elevation, area and volume; horizontal and vertical control systems; and the analysis and utilization of survey data.