永定河管理处档案管理步入新阶段董瑞群档案是历史发展的见证，是人类文明的结晶，也是更好地规划未来的宝贵财富。永定河管理处档案有其特殊的重要地位，它保存着自管理处成立以来历年的防汛资料、堤防加高加固、河道治理、工程岁修的资料；分洪枢纽、斋堂、苇子水水库等... Yongding River Management Office file management into a new stage Dongrui archives is witness to historical development, is the crystallization of human civilization, but also to better plan the future of precious wealth. The archives of the Yongding River Management Office have their special and important status. They keep information on flood control over the years since the establishment of the Management Office, information on the heightening and reinforcement of the embankments, river courses and the annual repair of projects; diversion hubs, Zhaitang and Reedui Water Reservoirs, etc. .