Experiencing data collection first hand, Susan Gottfried (right) and Steve Ruberg (left) watch Devin Bonnie piloting of the Phantom remotely operated vehicle. Image courtesy of Thunder Bay Sinkholes 2008.
Experiencing data collection first hand, Susan Gottfried (right) and Steve Ruberg (left) watch Devin Bonnie piloting of the Phantom remotely operated vehicle. Image courtesy of Thunder Bay Sinkholes 2008.