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You searched for: All Creators Vinyard, John H. Remove constraint All Creators: Vinyard, John H. All Subjects Coal miners--Diseases--Pennsylvania. Remove constraint All Subjects: Coal miners--Diseases--Pennsylvania. All Subjects Coal mines and mining--Pennsylvania. Remove constraint All Subjects: Coal mines and mining--Pennsylvania. Subject Topical Coal mines and mining--Pennsylvania. Remove constraint Subject Topical: Coal mines and mining--Pennsylvania. Subject Topical Lungs--Dust diseases. Remove constraint Subject Topical: Lungs--Dust diseases.

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