Perera, P.W.C.N.; Jenan, R.; Gunathilaka, M.D.E.K.; Dammalage, T.L.
(Sabaragamuwa University of Sri Lanka, Belihuloya., 2023-12-05)
The primary geodetic control network of Sri Lanka, the backbone of geospatial
activities, was established and maintained by the Survey Department of Sri
Lanka. This was established in 1930 using triangulation and was ...