| NOS | NIMA | |
IHO | Foreign NIMA Charts |
|---|---|---|---|---|
 |
Oil, Gas pipeline |
 |
|
|
 |
Oil, Gas pipeline areas |
 |
 |
|
 |
Waterpipe, sewer, outfall pipe, intake pipe |
 |
|
|
 |
 |
Discharge pipeline areas |
 |
|
| Buried pipeline pipe (with nominal depth to which buried) |
 |
|
||
 |
 |
Potable Water intake, diffuser, or drib |
 |
|
 |
 |
Oil, Gas pipeline areas |
 |
 |