Krotov, Petr Ivanovich

(b. 1852). He graduated from the course at the Kazan University, where he is professor of geography and ethnography. Scientific activities Krotov entirely devoted to the study of geological structure and mineral resources north-eastern provinces of European Russia, . V, . 1; VII, . 1; VIII, . 2), "Geological studies on the Volga between Nizhny Novgorod and Kazan" (XI, . 1), "On the relative antiquity of the remnants of the Stone Age on the river Oka (X, . 2); "Artinskaya tier" (Master's thesis, . XIII, . 5), "Traces of the Ice Age in the north-eastern part of European Russia and the Urals" (XIV, . 4); "Geological studies on the western slope of the Cherdyn and Solikamsk Urals" (doctoral dissertation, . "Proceedings of the Geological Committee", . VI); "Kazan Zakamye" ( "Proceedings of the Kazan Society of Natural History", . XXII, . 5, together with Mr.,
. Nechaev); "on the deployment of the Permian strata in the Kazan and Vyatka province" (Annex to Prot. Kazan Society of Natural History "," 132), "Problems of scientific geography and the placement of its teaching at the Kazan University" ( "Yearbook of the Imperial Russian Geographical Society", t. 2); "Orogidrografichesky sketch of the western part of Vyatka province" ( "Proceedings of the Geological Committee", XIII, 2), etc.