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You searched for: Creator Personal Names Ortmeyer, Carl E. Remove constraint Creator Personal Names: Ortmeyer, Carl E. All Subjects Pneumoconiosis--Appalachian Region. Remove constraint All Subjects: Pneumoconiosis--Appalachian Region. Subject Topical Coal miners--Appalachian Region--Mortality. Remove constraint Subject Topical: Coal miners--Appalachian Region--Mortality.

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