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You searched for: Creator Corporate Names West Virginia University. Mining Extension Service. Remove constraint Creator Corporate Names: West Virginia University. Mining Extension Service. All Subjects Coal mines and mining--Safety measures. Remove constraint All Subjects: Coal mines and mining--Safety measures. All Subjects Mine gases. Remove constraint All Subjects: Mine gases. Subject Topical Mine explosions. Remove constraint Subject Topical: Mine explosions. Subject Topical Mine fires. Remove constraint Subject Topical: Mine fires.

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