Donate to PSMSL
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 11.800m to data values 1955-1978 to refer to RLR
Add 0.000m to data values 1979 onwards to refer to RLR
RLR is 11.800m below primary benchmark NP-615