Surveys that are done to provide sufficient data for the design of engineering projects such as highways, railways, water supply, etc, are known as engineering surveys.
In this, both surface and underground surveys are required. It consists of a topographical survey of mine property and making a surface map, making underground surveys to delineate fully the mine working and constructing underground mines and geological maps, etc.
These are done to unearth the relics of antiquity, civilizations, kingdoms, villages, temples, etc buried due to natural calamities are located, marked, and identified.
These are done to provide strategic information for military like important routes, airports, missile sites, radars, etc, and to provide vital information on location, movement, and concentration of troops and armaments, etc.