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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 4.173m to data values 1984-1992 to refer to RLR
Add 4.164m to data values for 1993 to refer to RLR
Add 4.173m to data values 1994 onwards to refer to RLR
RLR is 10.600m below primary benchmark M0331