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Quarry accidents in the United States during the calendar year 1913

Quarry accidents in the United States during the calendar year 1912

Quarry accidents in the United States during the calendar year 1914

Report of the Committee on the Standardization of Mining Statistics

Quarry accidents in the United States :during the calendar year 1916

Quarry accidents in the United States during the calendar year 1917

Quarry accidents in the United States during the calendar year 1918


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