National Geographic 38th Parallel artificial division National Geographic, Korea, and the 38th Parallel 38 ° paralelo demilitarized zone 38th Parallel Dean Rusk artificial division finalized by guys in the State Department Dean Rusk artificial division along the 38th parallel the separation of the peninsula by the USA & 38th Parallel National Geographic, Korea, and the 38th Parallel 38th Parallel artificial division demilitarized zone 38th Parallel Dean Rusk