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.
Subtract 1.066m from data values 1938-1952 to refer to RLR
Subtract 1.089m from data values 1953-1959 to refer to RLR
Add 0.002m to data values 1960-1971 to refer to RLR
Add 3.763m to data values 1979 onwards to refer to RLR
RLR is 11.199m below primary benchmark SH 2553 8287