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  • March

    Corps of Engineers partners with states in fight against invasive aquatic plants

    Butomus umbellatus may conjure up images of a hippopotamus belly, but in reality, it is flowering rush, an aquatic invasive plant species that poses a grave threat to the Columbia River Basin’s aquatic ecosystems.
  • February

    Containing the Flood of 1996

    One of the biggest floods the Portland District faced in the late 20th century occurred in February 1996 and caused millions of dollars in damage to the region. The District played a crucial role in combating this flood 's impact through a variety of short-term and long-term activities.
  • April

    Going Green: Corps prescribed fire program helps double butterfly population

    EUGENE, Ore. -- The population of endangered Fender's blue butterflies has doubled at Fern Ridge Reservoir since last year, according to a U.S. Army Corps of Engineers survey. The Corps' 2012 estimate of 3,769 Fender's blue butterflies at 11 sites near the reservoir west of Eugene, Ore., is the species' largest known population and continues a trend of positive population growth since it was first detected on Corps lands in 1998.

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