Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
culverts  | |
|---|---|
| RT | channels |
| drainage | |
| pipelines | |
| rivers and streams | |
| waterways | |
| SN | Indexed with pipelines OR channels and waterways if applicable. |
| Data sets | Publications | Expeditions | Thesaurus |
| culverts | |
|---|---|
| RT | channels |
| drainage | |
| pipelines | |
| rivers and streams | |
| waterways | |
| SN | Indexed with pipelines OR channels and waterways if applicable. |