 Finally, in June 1997, the Russian side proposed a resolution which would divide the disputed territory in half.This was accepted by China in September of the same year, and in November, when the border demarcation work was declared finished, 1.6 km² (0.6 mi²) were transferred to China, and 1.4 km² (0.5 mi²) were retained by Russia.The Lake Khasan cemetery remained on the Russian side, and the Chinese officials underwent informal agreements to not build a port along the Tumen River.