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You searched for: Creator Personal Names Hill, Philip C. Remove constraint Creator Personal Names: Hill, Philip C. All Subjects Coal miners--Pennsylvania--Mortality. Remove constraint All Subjects: Coal miners--Pennsylvania--Mortality. All Subjects Lungs--Dust diseases. Remove constraint All Subjects: Lungs--Dust diseases. Subject Topical Coal mines and mining--Pennsylvania. Remove constraint Subject Topical: Coal mines and mining--Pennsylvania.

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