1. Professor and Research Director, GeoEngineering Centre at Queen’s-RMC, Dept. of Civil Engineering, Royal Military College of Canada, 13 General Crerar, Sawyer Bldg., Room 3417, Kingston, ON, Canada K7K 7B4 (corresponding author).
2. Geomechanics Specialist, Rocscience, Inc., 54 St. Patrick St., Toronto, ON, Canada M5T 1V1; formerly, Ph.D. Student, GeoEngineering Centre at Queen’s-RMC, Dept. of Civil Engineering, Queens Univ., Ellis Hall, Kingston, ON, Canada K7L 3N6.
3. State Geotechnical Engineer, Washington State Dept. of Transportation, State Materials Laboratory, P.O. Box 47365, Olympia, WA 98504-7365.