9780660133553

Surface Crown Pillar Evaluation for Active and Abandoned Metal Mines: Proceedings of the International Conference Senator Hotel, Timmins, Ontario, Canada, Nov. 15-17, 1989

M. C. Betournay; Ontario; Canadian Institute of Mining and Metallurgy; Canada Centre for Mineral and Energy Technology

ISBN 10: 0660133555 / 0-660-13355-5
ISBN 13: 9780660133553
Publisher: Energy, Mines, and Resources Canada
Publication Date: 1989