Category:Geology of Irkutsk Oblast
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Federal subjects of the Russian Federation:
Republics: Buryatia · (Crimea) · Karelia · Sakha (Yakutia) · Tyva ·Krais: Krasnoyarsk ·
Oblasts: Irkutsk · Moscow · Orenburg · Sverdlovsk · Tyumen · Voronezh ·
Federal cities: Moscow · Saint Petersburg ·
Autonomous oblast:
Autonomous okrugs:
Subcategories
This category has only the following subcategory.