It flows E.N.E as far as Yakutsk (62° N., 127° 40' E.), where it enters the lowlands, after being joined by the Olekma, also from the right.
From Yakutsk it goes N.
At Yakutsk navigation is generally practicable from the middle of May to the end of October, and at Kirensk, at the confluence of the Lena and the Kirenga, from the beginning of May to about the same time.
They built small vessels at Yakutsk on the Lena, 900 m.
The total yield annually amounts to some 700,000 oz., the largest quantity coming from the Olekminsk, district in the province of Yakutsk, and this district is followed by the Amur region, the Maritime province, and Nerchinsk and Transbaikalia.
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