Note 5 — Chapter XXXII · FROM CHITA TO NERTCHINSK.

Of the former 4 tons, and of the latter 570 tons, were produced annually. The discovery of lead was of great importance, as it had been previously necessary to bring it all the way from England to Barnaul for the smelting of the ores of the Altai, in which region little or no lead is found. The lead of Nertchinsk, however, did not find its way so far as the Russian arsenals, because, by reason of carriage, it would have cost six times the price of English lead delivered either in Petersburg or Moscow.