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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 4.828m to data values 1984-1985 to refer to RLR
Add 4.825m to data values for 1986 to refer to RLR
Add 4.815m to data values 1987 onwards to refer to RLR
RLR is 10.500m below primary benchmark A0401