This is a subcategory of Land Surveying that deals with in the establishment and re-establishment of real property boundaries. This category of surveying is concerned with the definition legal description of land for registration purposes.
Topographic Surveys are used to identify and map the contours of the ground and existing features on the surface of the earth or slightly above or below the earth’s surface (i.e. trees, buildings, streets, walkways, manholes, utility poles, retaining walls, etc.)
Survey of Water Treatment Plants
Survey of Cemetries and creation of digital database and in GIS System
Contours and Digital Terrain Models (DTM)