Virginia E. Wrenn

American Standard Safety Code for Installing and Using Electrical Equipment in and about Coal Mines (M2.1)

Revision of American Standard Safety Rules for Installing and Using Electrical Equipment in Coal Mines, M2-1926

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Injury Experience in the Nonmetal Industries (except Stone and Coal), 1959

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Injury Experience in the Metal Industries, 1959

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Permissible Mine Equipment Approved to January 1, 1953

With Appended List of Available Flame-lamp Fuels and Manufacturers of Flame-resistant Trailing Cables

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Quarry Accidents in the United States During the Calendar Year 1934

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The National Safety Competition of 1962

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Injury Experience in the Coking Industry, 1952

Detailed Analysis of Safety Factors and Related Employment Data

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Injury Experience in the Metal Industries, 1960

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Coal-mine Accidents in the United States, 1942

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Metal-mine Accidents in the United States During the Calendar Year 1938

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The National Safety Competition of 1961

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Mine Flood Prevention and Control

Anthracite Region of Pennsylvania : Final Report of the Anthracite Flood-prevention Project Engineers. 1955-1957

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Quarry Accidents in the United States During the Calendar Year 1937

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Quarry Accidents in the United States During the Calendar Year 1942

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Quarry Accidents in the United States During the Calendar Year 1936

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Quarry Accidents in the United States During the Calendar Year 1938

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Quarry Accidents in the United States During the Calendar Year 1935

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Quarry Accidents in the United States During the Calendar Year 1939

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The National Safety Competition of 1959

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The National Safety Competition of 1960

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Quarry Accidents in the United States During the Calendar Year 1939

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Quarry Accidents in the United States During the Calendar Year 1940

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Metal-mine Accidents in the United States During the Calendar Year 1935

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Injury Experience in Coal Mining, 1958

Analysis of Mine Safety Factors, Related Employment, and Production Data

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Injury Experience in Coal Mining, 1958

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