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| Data sets | Publications | Expeditions | Thesaurus |
Orsk Russian Federation  | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Orenburg Russian Federation | |
| ...Orsk Russian Federation | |
| SN | City in Orenburg Oblast in Southern Urals near the Kazakh border. Before 1993, Orsk Russian Republic was also used. This term has multiple hierarchies. |