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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 6.202m to data values 1966-1971 to refer to RLR
Add 6.227m to data values 1972-1975 to refer to RLR
Add 6.000m to data values 1977 onwards to refer to RLR
RLR is 9.102m below primary benchmark PSM 21764