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Waterway and Maritime Transportation
Pipe-clogging zebra mussels a growing concern in Maryland
Pipe-clogging zebra mussels a growing concern in Maryland

Invasive zebra mussels — the bane of water systems and power plants in the Great Lakes area —appear to be proliferating in the lower Susquehanna River and the upper Chesapeake Bay, just a couple years after they were first spotted there. While not abundant enough yet to cause problems, they're increasing "exponentially," according to Matthew Ashton, a biologist with the Maryland Department of Natural Resources keeping tabs on the alien invasion. Water systems, power plants, boaters, anglers and divers need to step up their vigilance, he said, to try to prevent what he called a "growing threat" that the troublesome mussels could spread to lakes,...

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