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Clarence Watson Owings

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Books

Cost of Coal-mine Fatalities and Some Permanent Disabilities in Ohio
Cost of Coal-mine Fatalities and Some Permanent Disabilities in Ohio
Clarence Watson Owings
Methods of Sampling and Analyzing Coal-mine Dusts for Incombustable Content
Methods of Sampling and Analyzing Coal-mine Dusts for Incombustable Content
Clarence Watson Owings, Walter Alfred Selvig, Harold Putnam Greenwald
Falls of Coal and Rock on Man-trips in Bituminous-coal Mines
Falls of Coal and Rock on Man-trips in Bituminous-coal Mines
Clarence Watson Owings

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