Mountain ulus of the Sakha (Yakutia) Republic
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On concepts of Yakuts Mountain as though means high stone mountains. Actually, in the dictionary by Ojegov the explanation of this word – "the mountain — the considerable height, the hill" is offered. In the Russian-Yakut dictionary it is said: — "height" - urdel. Therefore as if there are no bases to surprise from the name of the ulus. The mountainous area is located at the height of 315 m above sea level.