位于内蒙古清水河县的石峡口水库,坝高33米,库容1866万立方米,于1973年10月投入运用,是该自治区建成较早的一座中型黄土水坠坝。由于坝体竣工时已进入冬季,坝顶既未经平整又等待修筑路面,所以未能及时埋设沉陷观测设备,失去了第一年观测 Shixiakou Reservoir, located in Qingshuihe County, Inner Mongolia, has a dam height of 33 meters and a capacity of 18.66 million cubic meters. It was put into operation in October 1973 and is a medium-sized loess dammed by water. Since the dam body has entered the winter when it is completed, the crest of the dam is neither flat nor waiting for the construction of the road surface, so the observation equipment for the subsidence can not be buried in time and the first year observation is lost