800 Columbia AKA Graystone, reaching for the sky

Posted on August 27, 2021 by William Calvin
Yesterday

About William Calvin

UW prof emeritus brains, human evolution, climate
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One Response to 800 Columbia AKA Graystone, reaching for the sky

  1. Frank Conlon says:
    August 28, 2021 at 12:34 PM

    Thanks Bill. And they inserted one more tower segment Saturday morning. The “jumping” exercise appears now to be complete, and the special mechanisms are being disassembled.

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