PolarX Ltd's (ASXXX) (FRAX0) Frazer Tabeart speaks to Proactive's Andrew Scott after securing an option to acquire a mining lease agreement over the highly prospective Humboldt Range gold-silver Project in Nevada. Humboldt Range, between two large-scale active mines - the Florida Canyon gold mine and the Rochester silver-gold mine - contains geology consistent with bonanza-style epithermal gold-silver mineralisation, which is well known in Nevada.