Chart 1 : Symbols, Abbreviations and Terms

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Nature of the Seabed - Section J

Supplementary national symbols

Ref. IHO Symbology Description CHS Symbology
a Ground
b Marl
c Chalk
d Quartz
e Schist
f Low water line
g Foreshore: mud
h Foreshore: sand
i Foreshore: sand and mud
j Foreshore: weeds
k Weeds
l Small
m Large
n White
o Black
p Blue
q Green
r Yellow
s Red
t Brown
u Grey
v Dark
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