Migration of inhabitants of Bokhan district while constructing the Bratsk hydro power station

The article is devoted to the most complicated problems of industrial development of the Angara-Yenisei cascade and ecological consequences in this area. For the first time after more than semicentenial development of this territory the authors have addressed to social problems of development of local settlements. It is rather important that earlier unknown documents of negative consequences which have affected the health of population having lived there are put into scientific circulation.