1. Mr. Charles W. Sterling III is graduate research assistant in Biological Systems Engineering, Virginia Tech, Blacksburg, Virginia, USA.
2. Dr. Leigh-Anne Krometis is Associate Professor in Biological Systems Engineering, Virginia Tech, Blacksburg, Virginia, USA.
3. Dr. Thomas Pingel is Associate Professor in Geography, Virginia Tech, Blacksburg, Virginia, USA.
4. Dr. LaDale Winling is Associate Professor in History, Virginia Tech, Blacksburg, Virginia, USA.