Some results of investigation in north-western tip of ensemble by archaeological sites Shivera Prospihino in Northern Angara

This publication is based on the results of excavations in 2009 year carried out in the north-west part of ensemble of archaeological sites Shivera Prospihino, which is located in North Angara River Basin. Collected data reviled that the cultural layers of the sites are strongly destroyed. Though, it's possible to allocate correctly two layers which contain archaeological materials. First layer dates to Middle ages. Second layer contains the artifacts of local population of previous ages. The article is concerned to the difficulties in chronological and cultural interpretation of materials, gathered during the archaeological research of this object.