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View Diary: Massive landslide on Whidbey Island as long section of bluff slides into Admiralty Inlet (133 comments)

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  •  A smaller version of this happened several years (3+ / 0-)
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    Aunt Pat, Oh Mary Oh, SuWho

    ago above Golden Gardens Park in North Seattle, closing the winding access road to it from the Blue Ridge and Crown Hill neighborhoods on the bluffs above. I can easily see a similar thing happening again or in Discovery park, whose bluffs are Seattle's highest. Or perhaps in parts of West Seattle.

    What's the composition of these bluffs? From their greyish color I'm guessing volcanic dust deposited over millions of years, once anchored by countless trees and undergrowth that has seen been largely cut away to make room for development. Is it true that blackberries, an invasive species, actually help make up for the lost indigenous vegetation, but because they too are being cut down as weeds, have led to yet more erosion?

    What man reshapes, nature mocks.

    "Liberty without virtue would be no blessing to us" - Benjamin Rush, 1777

    by kovie on Thu Mar 28, 2013 at 12:05:36 AM PDT

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