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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 3.746m to data values 1971-1979 to refer to RLR
Add 3.755m to data values 1980-1992 to refer to RLR
Add 3.769m to data values 1993 onwards to refer to RLR
RLR is 9.700m below primary benchmark BM Oita