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一前言长江是我国最大的一条河流,它不但蕴藏着极丰富的水力资源,也常常釀成一些水患灾害。为了长江的治理及综合开发利用,从1955年冬就开展了全面规划,进行了干支流的踏勘及所选第一期开发水利枢纽的地质勘探工作,在规划的过程中,为了梯级开发比较方案的选择,在苏联专家阿卡林的鼓舞与指导之下,开始了长江流域工程地质分区图的编制工作。于此同时,因为要提流城规划全面的地质资料,我们也
Foreword The Yangtze River is the largest river in our country. It not only contains extremely rich water resources but also often causes some floods. In order to harness the Yangtze River and comprehensively develop and utilize it, a comprehensive plan has been carried out since the winter of 1955 to conduct a survey of the dry tributaries and the geological exploration work for the selected first phase of the development of the hydro-junction. During the planning process, Under the inspiration and guidance of the Soviet expert Akarin, the preparation of the engineering geological zoning map of the Yangtze River Basin began. At the same time, because we want to mention the city planning a comprehensive geological information, we too