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永定河下游的洪水氾濫,上游的冲刷耕地,年甚一年,影響農業生產。水土保持工作不容再緩。因此農業部約請北京農業大學五人,中國科學院三人,水利部二人,林墾部二人,華北農業科學研究所二人,南京金陵女子文理學院一人,配合察哈爾省人民政府林業水利幹部三人,組成永定河上游水土保持勘察團。於七月十一日由京出發,經懷來、宣化、張家口、萬全、崇禮、柴溝堡、陽高、大同、歸綏、包頭、朔縣、山陰、應縣、渾源、廣靈、蔚縣等地。沿途就有關各點進行勘察,於九月三日調查完了,全體人員返京。就勘察所得,作總結提要如下:
Flooding in the lower reaches of Yongding River and the erosion of arable land in the upper reaches have been affecting agriculture for a long time. Soil and water conservation work can no longer be slow. Therefore, the Ministry of Agriculture invited five people from Beijing Agricultural University, three from Chinese Academy of Sciences, two from Ministry of Water Conservancy, two from Lin Ken Department, two from North China Academy of Agricultural Sciences and one from Nanjing Jinling Women’s and Arts Institute, cooperating with Chahar Provincial People’s Government in forestry Three water conservancy cadres, consisting of the upper reaches of Yongding River Soil and Water Conservation Investigation Corps. It departed from Beijing on July 11 and passed through Huailai, Xuanhua, Zhangjiakou, Wanquan, Chongli, Chaigao Fort, Yanggao, Datong, Gui Sui, Baotou, Shuoxian, Sanin, Yingxian, Hunyuan, Guangling , Yuxian and other places. Investigate the relevant points along the way. After the survey was completed on September 3, all staff returned to Beijing. The investigation proceeds are summarized as follows: