1. Department of Civil Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada.
2. Department of Civil Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's, Newfoundland and Labrador, Canada
3. Natural Resources Canada/Geological Survey of Canada, Quebec City, Quebec, Canada.
4. Department of Civil and Environmental Engineering, University of California, Berkeley, Berkeley, CA, USA.