HECLA MINING CO revenue for the last year amounted to 844.56 M CHF, the most of which — 382.87 M CHF — came from its highest performing source at the moment, Greens Creek, the year earlier bringing 323.73 M CHF. The greatest contribution to the revenue figure was made by Canada — last year it brought HECLA MINING CO 415.43 M CHF, and the year before that — 315.80 M CHF.