1. École Polytechnique de Montréal, QC, Canada H3C 3A5; Research Institute on Mines and Environment (RIME UQAT-Polytechnique).
2. Université du Québec en Abitibi-Témiscamingue, QC, Canada J9X 5E4; Research Institute on Mines and Environment (RIME UQAT-Polytechnique).
3. Norvegian Geotechnical Institute, Oslo, Norway 0806.