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    the three sister how did it form?

    0  Views: 211 Answers: 1 Posted: 14 years ago

    1 Answer

    The Sisters were formed by erosion. The soft sandstone of the Blue Mountains is easily eroded over time by wind, rain and rivers and the cliffs surrounding the Jamison Valley are being slowly broken up.


    Another Three Sisters:
    Squash, maize and beans equal native American staple foods


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