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International Land Reclamation and Mine Drainage Conference and Third International Conference on the Abatement of Acidic Drainage :proceedings of a conference held in Pittsburgh, PA on April 24-29, 1994.
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Published Year
1990-1999 (1) *
Subject
Mine drainage--Environmental aspects--Congresses (1)
Mine water--Environmental aspects--Congresses (1)
Mineral industries--Environmental aspects--Congresses (1)
Reclamation of land--Congresses (1) *