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Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1945

Coal-mine explosions and coal- and metal-mine fires in the United States during the fiscal year ended June 30, 1947

Coal-mine explosions and coal- and metal-mine fires in the United States in 1949

Coal-mine explosions and coal- and metal-mine fires in the United States in 1950, 1951, and 1952


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