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      See how an underwater scanning company solved an 18 year missing person mystery

      It may look like a fishing boat but the H2H Associates craft is a high tech marvel. The crew onboard is using state of the art sensors underwater and on the roof to map the New York State canal system, building real time 3-D images of the canal walls and channels.

      "This system we have here is one of the only ones in the country, " said H2H manager mark Farber.

      The sensors on the boat can provide mapping points accurate to three to five centimeters so real time images can look like photos.

      Last week they were scanning the Oswego River and police were interested in the detailed 3-D pictures from underwater.

      "They said - if you find anything out of the ordinary - please give us a call," said Farber.

      H2H had already located a car that turned out to be a Volvo stolen in 1996 and then Mark Farber saw a large rectangle show up on the display again.

      "As soon as I start inspecting the scan, it pops right out at me - there was a car there," said Farber.

      Farber was able to instantly zoom in on it and look at a 3-D image clear enough to show the car's headlights.

      "We can see that's a four door sedan pretty clearly," said Farber.

      H2H Associates were able to give Oswego Police the car's location within three centimeters and the next day Carol Wood's car was removed from the river. For 18 years, her family had wondered where she was and were grateful to the crew who helped finally bring her home

      "I know my team feels very proud of what we've done. It was a terrible tragedy and we hope it brings some closure to the family," said Farber.

      Farber says H2H may just be scratching the surface of what this kind of scanning can provide and could provide 3-D images of dangerous or low visibility areas.