Geological research in the Lensky Mountain District in 1903

Gerasimov, A.P.Geological studies in the Lensky Mountain District in 1903: (Preliminary report): (from 2 cards.) / [Op.] Mountains.Ing.A.P.Gerasimova.- [B.M .: B.I., 19--].-45 p., 2 l.tsv.kart.: table .. -Part of the text on the fr.ulcer.Bibliogr.In the settling.Note .. - [Ott.From the geologist.study.In Lensk.angry.R.Ext.IV].- Ex.: Without Titus.l.and reg., described on the 1st p.text, with gifts.The inscription Innocent Pavlovich Tolmachev..I. Tolmachev, Innocent Pavlovich. 1.Territory (collection).Electronic copy source: PBOriginal storage location: Ban RAS