1. Department of Civil Engineering, University of Idaho, Box 441022, Moscow, ID 83844.
2. Bioregional Planning and Community Design, University of Idaho, Box 441022, Moscow, ID 83844.
3. Idaho Transportation Department, P.O. Box 7129, Boise, ID 83707.
4. Department of Geography, University of Idaho, Box 441022, Moscow, ID 83844.