A. Krishna Sinha¹*, Zaki Malik², Abdelmounaam Rezgui², David L. Fox³, Calvin G. Barnes⁴, Kai Lin⁵, Grant Heiken⁶, William A. Thomas⁷, Linda C. Gundersen⁸, Robert Raskin⁹, Ian Jackson¹⁰, Peter Fox¹¹, Dogan Seber¹²**, Herman Zimmerman¹³

1 Dept. of Geosciences, Virginia Tech, Blacksburg, Virginia 24061, USA

2 Dept. of Computer Science, Wayne State Univ., Detroit, Michigan 48120, USA

3 School of Information Sciences, Univ. of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA

4 Dept. of Geosciences, Texas Tech Univ., Lubbock, Texas 79409, USA

5 San Diego Supercomputer Center, Univ. of California, San Diego, California 92093, USA

6 331 Windantide Place, Freeland, Washington 98249, USA

7 Dept. of Earth and Environmental Sciences, Univ. of Kentucky, Lexington, Kentucky 40506, USA

8 U.S. Geological Survey, National Center, Reston, Virginia 20192, USA

9 NASA Jet Propulsion Laboratory, 300-320, Pasadena, California 91109, USA

10 British Geological Survey, Nottingham NG12 5GG, UK

11 Deborah McGuinness, Dept. of Computer Sciences, RPI, Troy, New York 12180, USA

12 San Diego Supercomputer Center, Univ. of California, San Diego, California 92093, USA

13 National Science Foundation (ret.), 1337 NE Stanton Street, Portland, Oregon 97212, USA