一、遗址概况与工作经过 上中坝遗址位于重庆市万州区境内的长江北岸一级台地上，行政区划隶属该区小周镇涂家村一组（图一）。遗址的地理坐标为北纬３０”５５’７”，东经１０８”３２’５０”，海拔高程１２０──１５０米。为“三峡工程淹没区及迁建区地下文物抢救发掘工作 First, the site overview and work Shangzhongba site located in Wanzhou District of Chongqing on the north shore of the Yangtze River platform, the administrative division under the district Xiaochou Tujia Village a group (Figure 1). The geographical coordinates of the site are 30 “55’7” north, 108 “32’50” east longitude and 120-150 meters above sea level. For "Three Gorges Project inundation area and relocation of underground cultural relics rescue work