2014年7月下旬,海淀区行知实验小学职工在校园内挖渗井时,发现一处古代遗存,北京市文物研究所接到报告后,随即派人前往清理。该遗迹上部结构已遭破坏,发掘编号为M1。现将发掘情况报告如下。一行知实验小学位于海淀半壁店村西北,南距田村路约1.5公里,东距永定河路约500米(图一)。 In late July 2014, an employee of Xingzhi Experimental Primary School in Haidian District discovered an ancient remains while digging a well in the campus. After receiving a report, Beijing Institute of Cultural Relics sent someone to clean up. The superstructure of the site has been destroyed and excavation number M1. Excavation is now reported as follows. One line to know the experimental primary school is located in Haidian Banbidian Northwest, south about 1.5 km from Tiancun Road, east of Yongding Road about 500 meters (Figure 1).