V.I.Vagin were connected with the newspaper "Siberia". In 1851, the first scientific organization in Eastern Siberia - the Siberian branch of Russian geographical society, was opened. In 1877, it was called the Eastern-Siberian branch. V.I.Dybovskii, A.L.Chekanovskii, I.D.Cherskii, V.A.Obruchev, geologists, geographers and researchers of Siberia, worked in Irkutsk Oblast on exploring Lake Baikal and the Lena River.

The summer of 1879 could be considered to be a dramatic