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 7.955m to data values 1969-2002 to refer to RLR
Add 6.540m to data values 2003-2005 to refer to RLR
Add 6.700m to data values 2006 onwards to refer to RLR
RLR is 8.300m below primary benchmark RB