If the image above appears blurry, or you would like to see a larger image, please view the full-sized image of the RLR diagram.
Add 5.682m to data values 1948-1949 and 1989 onwards to refer to RLR (1949)
Add 5.07m to data values 1985-1988 to refer to RLR (1949)
RLR (1949) is 9.5m below BM No. 1 (1948)