This category includes monumented control points such as geodetic control station, benchmarks, tide station, standard traverse marks, ground control point, gravity station and remote sensing imagery such as aerial photography and satellite imagery.
Control points established by GPS survey
Control points established by survey techniques other than GPS
Control points established by astronomical observations
Survey stations established through trigonometric observation in the triangulation network
Points with height values
Control points established using gravimeter and tied to IGNS
Control points established at the outer most limit of a country for the purpose of defining its maritime boundaries
Boundary markers established to demarcate the boundary between states
A point to label a settlement such as city, town, pekan or village
A point to label a geographical feature such as sea, straits, gulf, river mouth, beach, cape, hill, mountain, abandoned village, harbour/port, swamp, pit, farm and country name