40 |
![](/images/publications/chart1-carte1/k-rocks/k40-iho.svg) |
Obstruction, depth unknown |
![](/images/publications/chart1-carte1/k-rocks/k40-chs.svg) |
41 |
![](/images/publications/chart1-carte1/k-rocks/k41-iho.svg) |
Obstruction, least depth known by sounding only |
![](/images/publications/chart1-carte1/k-rocks/k41-chs.svg) |
42 |
![](/images/publications/chart1-carte1/k-rocks/k42-iho.svg) |
Obstruction, least depth known, swept by wire drag or diver |
![](/images/publications/chart1-carte1/k-rocks/k42-chs.svg) |
43.1 |
![](/images/publications/chart1-carte1/k-rocks/k43_1-iho.svg) |
Stumps of posts or piles, wholly submerged |
![](/images/publications/chart1-carte1/k-rocks/k43_1-chs.svg) |
43.2 |
![](/images/publications/chart1-carte1/k-rocks/k43_2-iho.svg) |
Submerged pile, stake, snag or stump (with exact position known) |
![](/images/publications/chart1-carte1/k-rocks/k43_2-chs.svg) |
44.1 |
![](/images/publications/chart1-carte1/k-rocks/k44_1-iho.svg) |
Fishing stakes |
![](/images/publications/chart1-carte1/k-rocks/k44_1-chs.svg) |
44.2 |
![](/images/publications/chart1-carte1/k-rocks/k44_2-iho.svg) |
Fish trap, Fish weirs, Tunny nets |
![](/images/publications/chart1-carte1/k-rocks/k44_2-chs.svg) |
45 |
![](/images/publications/chart1-carte1/k-rocks/k45-iho.svg) |
Fish trap area, tunny nets area |
![](/images/publications/chart1-carte1/k-rocks/k45-chs.svg) |
46.1 |
![](/images/publications/chart1-carte1/k-rocks/k46_1-iho.svg) |
Fish haven |
![](/images/publications/chart1-carte1/k-rocks/k46_1-chs.svg) |
46.2 |
![](/images/publications/chart1-carte1/k-rocks/k46_2-iho.svg) |
Fish haven with minimum depth |
![](/images/publications/chart1-carte1/k-rocks/k46_2-chs.svg) |
47 |
![](/images/publications/chart1-carte1/k-rocks/k47-iho.svg) |
Shellfish beds with no obstructions |
![](/images/publications/chart1-carte1/k-rocks/k47-chs.svg) |
48.1 |
![](/images/publications/chart1-carte1/k-rocks/k48_1-iho.svg) |
Marine farm (on largescale charts) |
|
48.2 |
![](/images/publications/chart1-carte1/k-rocks/k48_2-iho.svg) |
Marine farm (on smallscale charts) |
![](/images/publications/chart1-carte1/k-rocks/k48_2-chs.svg) |