一、前言甘肃省东乡族自治县境内,于今年3月7日下牛5时46分,发生了巨大而猛烈的山体滑动,数以千万方的岩石、黄土从洒勒山顶坡向南直扑那勒寺河,顷刻间村庄掩埋、道路摧毁、河道堵塞、水库淤积。果园公社辖属的新庄、苦顺、洒勒、达浪四个生产队,变 I. INTRODUCTION In the territory of Dongxiang Autonomous County of Gansu Province, at 5:46 am on March 7 this year, a huge and violent mountain slide occurred. Hundreds of millions of rocks rocked the loess and fluttered from the top of the slope to the south Nara Temple River, an instant buried village, the road destroyed, river blocked, reservoir siltation. Orchard commune under the jurisdiction of the new village, Ku Shun, sprinkle Le, up to waves of the four production teams, change