10 |
|
Sounding in true position |
|
11 |
|
Sounding out of position |
|
12 |
|
Least depth in narrow channel |
|
13 |
|
No bottom found at depth shown |
|
14 |
|
Soundings which are unreliable or taken from smaller scale source |
|
15 |
|
Drying heights above chart datum Sondes découvrantes audessus du zéro des cartes |
|
16 |
|
Natural watercourse (in intertidal area) |
|