There's this...
located at
http://www.army.mil/cmh-pg/brochures/pi/PI.htm
And there's...
from the same link...
That page was linked off of
http://historylink101.com/1/world_wa...ific_front.htm
That help? I poked around that last link a bit, and there seems to be a few maps that might perk your interest.