On improving the transportation of manganese ore in the Caucasus.January 22, 1907 - September 23, 1908.(b)

On improving the transportation of manganese ore in the Caucasus.January 22, 1907 - September 23, 1908.(b) / Council of Ministers.- 1907. -108 l .. - (Council of Ministers .. Inventory inventory No. 3. 1907.).-Finance, industry and trade.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA f.1276 op.3 d.203 b