Chart 1 : Symbols, Abbreviations and Terms

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Nature of the Seabed - Section J

SNS l-v

Qualifying Terms

Ref. IHO Symbology Description CHS Symbology
30 Fine-only used in relation to sand
31 Medium-only used in relation to sand
32 Coarse-only used in relation to sand
33 Broken
34 Sticky
35 Soft
36 Stiff
37 Volcanic
38 Calcareous
39 Hard
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