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EA: TIDAL_DATUM
EE: CHART_DATUM

Status: STD 2005/06/07
Code: 1
EA label: TIDAL_DATUM
Concept definition: The permanently established <SURFACE> from which <SOUNDING>s or <<TIDE_LEVEL>>s are referenced on a chart; chart datum.
 
Reference type: PR
Reference: [S32, "datum: chart"]
Supplemental references:  

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