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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 5.980m to data values 1967-1978 to refer to RLR
Add 5.909m to data values 1979-1997 to refer to RLR
Add 5.834m to data values 2001-2002 to refer to RLR
Add 5.984m to data values 2003 onwards to refer to RLR
RLR is 10.400m below primary benchmark BM 1