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    Re: John Wesley Powell Expedition
    From: Greg Rudzinski
    Date: 2017 Apr 25, 12:36 -0700

    Douglas,

    A few years back there was posting on a planned trip down the Grand Canyon as Powell did it and some questions on how he used sextant, artificial horizon, and chronometers. I can't find these old posts in the archives but have found the documentary this guy did on YouTube which may be of interest to you (see link).

    https://www.youtube.com/watch?v=p3r3g16Xl-A

    Greg Rudzinski

       
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