Woollen cloth, machinery and spirits are manufactured; there is an extensive salt-mine in the neighbouring Zillenberg; the salmon and lamprey fisheries are important; and a fair amount of commercial activity is maintained.
To the same king is attributed the discovery of the inexhaustible salt mine called Chang-gitsa'wa (Byang-gi-tsa'wa =" northern salt "), which still supplies the greater portion of Tibet.
The salt mine of Hallstatt, which is one of the oldest in existence, was rediscovered in the 14th century.