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BTCommonwealth of Independent States
 .Russian Federation
 ..Orenburg Russian Federation
BTEurope
 .Orenburg Russian Federation
NTBlyava
 Orsk Russian Federation
 Romashkino Field
 Sakmara Russian Federation
UFChkalov Russian Federation
RTUral region
 Sakmara Zone
SNOblast and city in the Southern Urals in European Russian Federation. Before 1993, also search Chkalov Russian Republic. This term has multiple hierarchies. Indexed with Europe if applicable.