Revised Local Reference (RLR) Diagram for DRAGHALLAN

Station ID: 122

RLR diagram based on the information in the datum section below

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Datum information

Add 10.997m to data values 1898-1936 to refer to RLR (1964)
Add 5.384m to data values 1937 onwards to refer to RLR (1964)
RLR (1964) is 7.9m below BM Nm=a