Canadian 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