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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 4.845m to data values 1992-1996 to refer to RLR
Add 4.823m to data values 1997-1998 to refer to RLR
Add 4.831m to data values 1999 onwards to refer to RLR
RLR is 9.700m below primary benchmark Pier no. 2