Battling Invasive Plants In Lewis and Clark National Historical Park: The Video
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Much has changed since Lewis and Clark took a hike across the western United States. Among those changes has been an infusion of non-native vegetation that threaten to overrun native vegetation. At Lewis and Clark National Historical Park, researchers are working to wipe out the intruders.
- By Kurt Repanshek - March 18th, 2011 3:06am