KnowraGreat Trigonometrical SurveyLinked fromLinked fromThe 9 pages that link to Great Trigonometrical Survey, each with the reason it gives.All 9Broader topic 3Related 4Narrower topic 1Compared with 1TriangulationBroader topic: Its network of triangles enabled mapping across vast distances and uneven terrain.George EverestBroader topic: It was the central undertaking Everest directed as Surveyor General.History of science and technology on the Indian subcontinentBroader topic: It made large-scale geodesy a tool of colonial mapping and governance.