This order of battle could not have been constructed without the aid and knowledge of Keith Rowe and Dan Allmacher, who quite literally have the best informed presentation on the ROK's Order of Battle, outside a government.
AsianDefense Group @ Yahoo Groups -- This site has quite a bit of discussion regarding Korea including the writings and documents of Keith Rowe and Dan Allmacher
Korea Insititute of Military History. The Korean War, vol 1. (Lincoln: University of Nebraska; 2000): p. 71, 83
16th Infantry Regiment
The 16th Infantry Regiment was originally activated as the 16th Regiment on October 28, 1948 at Masan and was first commanded by Lt. Col. Park Shi Ch'ang. The unit was initially assigned to the 2nd Division.