- trigonometrical survey station mark
- центр тригонометрического пункта
English-Russian cartography dictionary. 2013.
English-Russian cartography dictionary. 2013.
Triangulation station — A trigonometrical station, triangulation pillar or trig point is a fixed surveying station for the geodetic surveying and other surveying projects on nearby areas. They are generally known as Trigonometrical stations in North America and trig… … Wikipedia