Shuidonggou Locality 8,one of the Shuidonggou site clusters found in 2003,is located on the right side of a tributary(Biangou River) of Yellow River.Its geographical position is 38°17′29″ N,106°31′3″ E and lies at an altitude of 1200 m.A joint archaeological team from the Institute of Vertebrate Paleontology and Paleoanthropology and the Ningxia Provincial Institute of Archaeology conducted a series of excavations in 2003.The excavated area of 16 m2 was exposed and three archaeological layers(more than 3.5m...