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Proceedings of the Conference: Reclamation, a Global Perspective, Held in Calgary, Alberta, Canada, August 27-31, 1989

Alberta. Reclamation Research Technical Advisory CommitteeAmerican Society for Surface Mining and ReclamationCanadian Land Reclamation Association

出版	Alberta Land Conservation and Reclamation Council, Reclamation Research Technical Advisory Committee, 1989
URL	http://books.google.com.hk/books?id=XXHp_v_lVLAC&hl=&source=gbs_api