evidence: English citations of Heixiazi - [1969, "Full-Length Documentary Exposing Soviet Revisionists' Anti-China Provocations Shown Throughout China", in 中国文学 [Chinese Literature], volume 6, Peking: Foreign Languages Press, page 104: [...] - The major obstacle to a border settlement is the status of Heixiazi, a 330-square kilometer island at the confluence of the Amur and Ussuri rivers. The island is claimed by the Chinese but controlled by the USSR. Because Heixiazi overlooks Khabarovsk as well as the point where the Trans-Siberian Railway crosses the Amur River, the Soviets are reluctant to give it up. [...] - According to the latest protocol, Russia would return Yinlong island , or Tarabarov Island, and half of Heixiazi island (Bolshoi Ussuriysky island), the China Daily said on Monday.