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一、前言随着我国地质事业的迅速发展,解放以来通过大量勘察工作已经累积了丰富的水文地质资料。为了满足当前国民经济建设和开展科研工作的需要,尽快利用这些资料编制中小比例尺的区域性水文地质图,已成为我国水文地质工作者非常迫切的任务。但由于水文地质图的编图原则与制图方法目前在国内和国际上尚无统一规定,因此结合我国具
I. Preface Along with the rapid development of geology in our country, abundant hydrological and geologic data have been accumulated through a great deal of investigation since liberation. In order to meet the needs of the current national economic construction and scientific research, it is a very urgent task for hydrogeologists in our country to make use of these data to prepare small and medium scale regional hydrogeological maps as soon as possible. However, due to the lack of uniform rules for mapping principles and mapping methods of hydrogeological maps in China and the world at present,