The Work of Charles Mason and Jeremiah

[Dave Monroe]

Danson, Edwin.  "The Work of Charles Mason and
   Jeremiah Dixon," FIG XXII International Congress,
   Washington, DC., USA, April 19-26, 2002.

http://www.ddl.org/figtree/pub/fig_2002/HS1/HS1_danson.pdf

Forgot to make that an active link yetserday, so ...
and beware the download time, although it's well worth
the wait.  Drawing the Line in a nutshell ...

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