Add 6.289m to data 1957-Apr. 1959 to refer to RLR (1971)
Add 6.243m to data May1959-1966 to refer to RLR (1971)
Add 6.393m to data 1967 - to refer to RLR (1971)
RLR (1971) is 18.0m below TGBM Pilar de Mareas
