Revised Local Reference (RLR) Diagram for CONCARNEAU

Station ID: 1301

RLR diagram based on the information in the datum section below

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Datum information

Add 3.963m to data values 1971-1973 to refer to RLR
Add 3.963m to data values 1987 onwards to refer to RLR
RLR is 26.632m below primary benchmark IGN O.L.K. 3P3 no 12