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Labor Secretary receives silicosis report. Washington D.C. The second National Silicosis Conference in a report to Secretary of Labor Perkins today, recommended enactment of X state and federal laws for protection of 1,000,000 Miners subjected to dangers of silica dust. The conference also reported
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Credit lineLabor Secretary receives silicosis report. Washington D.C. The second National Silicosis Conference in a report to Secretary of Labor Perkins today, recommended enactment of X state and federal laws f. 1937-01-01. Harris & Ewing. Harris & Ewing Collection, Library of Congress. Public domain.