The document summarizes key regions of Russia and their geographical features. It discusses Russia's major rivers including the Volga, Ob, Yenisei and Lena rivers. It also describes key lakes such as Lake Baikal. Russia's major vegetation belts from north to south are described as tundra, taiga, mixed deciduous forest, and steppe. Agriculture, fishing, forestry and animal rearing are also summarized. Key industrial regions including the Moscow, Leningrad, Middle Volga, Urals and Kuznetsk regions are highlighted due to their mineral resources and industrial development factors.