1. Department of Geosciences University of South Florida Tampa FL USA
2. Department of Geology University at Buffalo Buffalo NY USA
3. Department of Geosciences University of Arkansas Fayetteville AR USA
4. Department of Applied Geomatics Université de Sherbrooke Sherbrooke QC Canada
5. Department of Earth and Spatial Sciences University of Idaho Moscow ID USA
6. Scripps Institution of Oceanography University of California San Diego La Jolla CA USA