Revised Local Reference (RLR) Diagram for WALTON ON THE NAZE

Station ID: 1224

RLR diagram based on the information in the datum section below

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Datum information

Add 6.930m to data values 1968-1973 to refer to RLR
Add 4.770m to data values 1974 onwards to refer to RLR
RLR is 10.500m below primary benchmark TM 2601 2119