Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Tamil Nadu India  | |
|---|---|
| BT | Asia |
| .Indian Peninsula | |
| ..India | |
| ...Tamil Nadu India | |
| NT | Ariyalur India |
| Coimbatore India | |
| Kodaikanal India | |
| Kondapalli India | |
| Madras India | |
| Neyveli India | |
| North Arcot India | |
| South Arcot | |
| Tiruchirapalli India | |
| Vridhachalam India | |
| RT | Coromandel Coast |
| Cauvery Basin | |
| Cuddalore Series | |
| Neyveli Lignite | |
| Niniyur Group | |
| SN | State in extreme S and SE India. Formerly part of Madras. |