 The men marched through Jerome, with an accordion player in the lead, to a mass-rally that was still going strong when union organizers arrived around noontime.The mine owners were thunderstruck; never before had they been hit by a successful universal rebellion against their rule.The Jerome action lit the fuse; the strike spread to non-union mines in Hiyasota, Kelso, Boswell, Jenners, Listie, Acosta, Gray and elsewhere the next days; within one week a regional non-union coal work stoppage was in full force.