In 1991 when the US led coalition went after Saddams forces one of our best "weapons" was the new GPS system which allowed our forces to navigate the iraqi deset which is basically miles and miles of nothing, very easy to get lost in. Saddam actually figured this into his strategy thinking this would protect his western flank.
As you know history proved him wrong. With the GPS US forces were able to to drive in a 200 mile arc far around any Iraqi defenses, putting us right in their flank and cutting them off from retreat.
BUT, what if no GPS. Do you think US forces at that time had the ability to use other navigastional methods (ex. compasses, vector math, radio beacons, aircraft) to drive thru the wilderness without getting lost?