Donate
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 9.400m to data values 1947-1958 to refer to RLR
Add 7.009m to data values 1959 onwards to refer to RLR
RLR is 9.400m below primary benchmark M9 N23