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    Re: Thompson mapping Canada
    From: Ken Muldrew
    Date: 2009 Nov 30, 09:20 -0700

    On 29 Nov 2009 at 16:25, Geoffrey Kolbe wrote:
    
    > List members may also want to look at the webpage "How David Thompson
    > Navigated" by Jeff Gottfred http://www.northwestjournal.ca/dtnav.html
    
    An erratum for Gottfred's article is here:
    
    http://www.ucalgary.ca/~kmuldrew/celestial/almanac.html
    
    (you have to scroll down the page a bit to get to the corrections)
    The corrections are minor, but still worth looking at if you are reading
    Gottfred's article (which is well worth the effort).
    
    Ken Muldrew.
    
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