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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 5.008m to data values 1954-1985 to refer to RLR
Add 4.977m to data values 1986 onwards to refer to RLR
RLR is 9.900m below primary benchmark BM PLBM 270