Revised Local Reference (RLR) Diagram for SEWARD

Station ID: 266

RLR diagram based on the information in the datum section below

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Datum information

Add 3.664m to data values up to 1938 to refer to RLR (1972)
Add 2.716m to data values 1944-1963 to refer to RLR (1972)
Add 3.542m to data values 1964 onwards to refer to RLR (1972)
RLR (1972) is 11.856m below BM 5090 B 1978