Some aspects historical and archaeological materials as the certificates of moving on Mongolian tribes in Baikal region and Mongolia in the Middle Ages

To the present time a line of questions connected to a history of moving of the early Mongols on territory of the Baikal region and Mongolia in second half I and the beginning II thousand of our era is still unsufficiently full decided. The analysis of materials from archaeological excavation of a line tombs in this region (burial fields Chindant I-III, Budulan, Segenut, on the river Bryanka, Sannyi Mys, Kurkut and others) enable to look after borders of moving here early Mongolian tribes, to establish chronology of this process, and also to characterize their main economic employment - cattle breeding and hunt.