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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 4.428m to data values 1973-1991 to refer to RLR
Add 4.423m to data values 1992-2011 to refer to RLR
Add 4.423m to data values 2015 onwards to refer to RLR
RLR is 12.729m below primary benchmark BM 5578