Triangulation station at Cawburn in Northumberland

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Size: 4367px × 2911px
Photo credit: © Glyn Thomas Photography / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: cawburn, concrete, england, geodetic, landscape, landscapes, northumberland, northumbria, ordnance, os, pillar, point, station, survey, surveying, triangulation, trig, trigonometrical