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 6.106m to data values 1946-1950 to refer to RLR (1950)
Add 6.38m to data values 1951 onwards to refer to RLR (1950)
RLR (1950) is 10.8m below BM No. 1