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 1HimalayasRelated: Its triangulation produced the first accurate elevation of Everest, then Peak XV.Mount EverestRelated: Its measurements identified the peak later named Everest as exceptionally high.Eight-thousandersRelated: Its measurements established the elevations of several Himalayan giants.Himalayan mountaineeringRelated: Its measurements established the heights and positions of major Himalayan peaks.