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See also:
  • Perkiomen Watershed Conservancy - Founded to protect and conserve the natural resources of the 362 mile Perkiomen Watershed. Promotes an environmental ethic through education, land conservation and watchdog activities.
  • Stroud Water Research Center - Seeks to advance the knowledge of freshwater ecosystems through interdisciplinary research into all aspects of streams, rivers, and their watersheds.
  • Watershed Atlas of the Allegheny River - Rich source of information about the environmental resources of the Allegheny River watershed and how human activities affect water quality and the environment.
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Last update: July 23, 2015 at 6:05:06 UTC - edit