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Caption: Kenna checks a creek in Bridgman, Mich., Credit: Rebecca Thiele
Trained dogs are helping localities find leaky sewer pipes that are polluting Great Lakes tributaries.

Bought by WXXI, WRVO Public Media, WCPN, WCMU, and WBFO


  • Added: Sep 23, 2016
  • Length: 03:29
  • Purchases: 5