1. Nutter and Associates, Inc.; Athens Georgia USA
2. Global Institute for Water Security, National Hydrology Research Centre, University of Saskatchewan; Saskatoon Saskatchewan Canada
3. Northern Rivers Institute, School of Geosciences, University of Aberdeen; Aberdeen UK
4. Aquifer Dynamics and GNS Science; Lower Hutt New Zealand
5. Department of Geology and Geophysics; University of Utah; Salt Lake City Utah USA
6. USDA Natural Resources Conservation Service; Harrisburg Pennsylvania USA
7. National Council for Air and Stream Improvement, Inc.; Corvallis Oregon USA
8. Civil and Environmental Engineering, Utah State University; Logan Utah USA