East of the reservoir, after completing operations to capture the Yanggu-Inje area and reach Kansong on the east coast, X Corps and ROK I Corps were to seize and establish defensive positions along a newly drawn segment of Line Kansas running northeast from the reservoir across the southern rim of a hollow circle of mountains aptly called the Punchbowl to the coastal town of Kojin-ni (Coord), 5 miles above Kansong.