forestwalker
Bushcrafter (boy, I've got a lot to say!)
The sun chart was a freebie from a photographic magazine. I'm afraid I've never seen them anywhere else.
There are sun-tables in the end of Harold Gattys "Finding Your Way Without Map or Compass". Copy, laminate and Robert is your mothers brother.
You can also go to http://aa.usno.navy.mil/data/docs/AltAz.php and construct your own.