Map of the US 34th Infantry Regiment's defense at the Kum River, July 14, 1950
Center of Military History, United States Army
1961
<a rel="nofollow" class="external free" href="http://www.koreanwar.org/html/maps_cmh.html">http://www.koreanwar.org/html/maps_cmh.html</a>, map as originally published in <a rel="nofollow" class="external text" href="http://www.history.army.mil/books/korea/20-2-1/toc.htm"><i>South to the Naktong, North to the Yalu</i></a> by Roy Appleman, US Army historian (1992)