1997年春 ,牡丹江市文物管理站同宁安市文化局、文物管理所共同复查文物遗址时 ,在镜泊湖瀑布西北、路家店东北侧的火山熔岩岗地上 ,发现一处积石墓群。为弄清其文化性质和分布情况 ,同年夏季又进行两次调查 ,并于 6月初同省文物考古研究所联合 ,对墓葬分布进行了调查、测绘 , The spring of 1997, Mudanjiang City Cultural Relics Management Station with the Ning’an City Cultural Affairs Bureau, Heritage Management Office review of heritage sites, in the northwest of Jingpohu Falls, Lu Jia shop northeast volcanic lava Kong found a stone grave group. In order to clarify the nature and distribution of its culture, two surveys were conducted in the summer of the same year. In early June, a joint investigation with the Provincial Institute of Cultural Relics and Archeology was conducted to investigate the distribution of the burial mounds,