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You searched for: Creator Personal Names Akers, David J. (David Jackson), 1944- Remove constraint Creator Personal Names: Akers, David J. (David Jackson), 1944- All Subjects Coal mines and mining--Waste disposal. Remove constraint All Subjects: Coal mines and mining--Waste disposal. Subject Topical Coal mines and mining--Waste disposal. Remove constraint Subject Topical: Coal mines and mining--Waste disposal.

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