Biennial Report of the Bureau of Labor and Industry
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1913-1914 contains also "Report of inspector of quartz mines", 1913/14, "Report of state coal mine inspector", 1912-14, "Report of state boiler inspector", 1912
1913-1914 contains also "Report of inspector of quartz mines", 1913/14, "Report of state coal mine inspector", 1912-14, "Report of state boiler inspector", 1912