1. Department of Geosciences; Boise State University, 1910 University Drive; Boise ID 83725 USA
2. Civil & Environmental Engineering Department; Pennsylvania State University; 212 Sackett Building, University Park PA 16802 USA
3. Department of Geosciences; Oregon State University; 104 Wilkinson Hall Corvallis, OR 97331 USA
4. Rubenstein School of the Environment and Natural Resources; University of Vermont; George D. Aiken Center; 81 Carrigan Drive Burlington, VT 05405 USA
5. Stone Environmental Inc.,; 535 Stone Cutters Way Montpelier, VT 05602 USA