Copper Miners Strike - Calumet, Michigan, USA. Industrial action by Copper Miners of the Western Federation of Miners. Workers were concerned of being displaced to a lower-paying job or of losing otheir job altogether with the advent of the one-man drills. Strikers here stand outside Dunn's Bar, a favourite among miners. Just next door to Dunn's was the No. 203 local WFM office. The sign on the left reads: "Something just as good Miners ask for bread, Jim MacNaughton, C&H General Ma