Revised Local Reference (RLR) Diagram for ILFRACOMBE

Station ID: 1214

RLR diagram based on the information in the datum section below

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Datum information

Add 1.417m to data values 1983-1984 to refer to RLR
Add 2.021m to data values 1985 onwards to refer to RLR
RLR is 14.400m below primary benchmark SS 5263 4791