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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 4.299m to data values 1968-1984 to refer to RLR
Add 4.284m to data values 1985-1992 to refer to RLR
Add 4.262m to data values 1993 onwards to refer to RLR
RLR is 10.400m below primary benchmark BM Kure