Aral-Caspian depression to the lowlands of the Tobol, Irtysh and Ob, and thence towards the lower parts of the Yenisei and the Lena.
The chief grain-producing regions of Siberia are - the Tobol and Ishim region, the Baraba, the region about Tomsk and the outskirts of the Altai.
Next year they were on the Tobol, and 500 men successfully laid siege to Isker, the residence of Khan Kuchum, in the neighbourhood of what is now Tobolsk.
From this region started an important trade route eastward by the Thyssagetae among the southern Urals, the Iyrcae on the Tobol and Irtysh to the Kirgiz steppe, where dwelt other Scyths, regarded as colonists of those in Europe: then by the Argippaei in the Altai and the Issedones in the Tarym basin, to the one-eyed Arimaspi on the borders of China, who stole their gold from the watchful griffins, and who marched with goat-footed men and Hyperboreans reaching to the sea.
22) beyond the Thyssagetae, somewhere about the upper basins of the Tobol and the Irtysh.
Of Chelyabinsk, and on the left bank of the Tobol, in a wealthy agricultural district.
Owing to its position at the terminus of steam navigation up the river Tobol, it has become second only to Tyumen as a commercial centre.
During these two centuries they fortified the lower river, settled it, and penetrated farther eastward into the steppes towards the upper Ural and thence to the upper parts of the Tobol and other great Siberian rivers.
KUSTANAISK, a town of Asiatic Russia, in the province of Turgai, on the Tobol river, 410 m.