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    Re: Resolution of systematic error
    From: Dave Walden
    Date: 2007 Mar 01, 19:29 -0800

    Once again, google books.  This time "Plane Surveying", John Clayton
    Tracy, 1911.  Page 333 describes Lehmann's method in the chapter on
    plane-table surveying. (An interesting topic of its own.)
    
    Reading the description, it would seem the method has little bearing
    (sorry) on the az-intercept method.  It appears to deal with az errors
    while our issue is interecept (range to a surveyer) uncertainty.
    
    
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