(一) 解放后煤田水文地质工作在党的领导下,苏联专家的无私的帮助下以及工作同志的努力,开始了从无到有,从小到大的发展。在1949年至1952年的国民經济恢复时期,我国煤炭工业实行了以恢复改建老矿井为主的正确方針。为确保矿工生命財产的安全,在党的领导下,对防止地下水患方面采取了一系列有效措施,在煤矿生产安全 (1) Hydrogeological work of the coalfield after liberation Under the leadership of the party, the selfless help of Soviet experts and the efforts of working comrades started the development from scratch, from small to large. During the period of national economic recovery from 1949 to 1952, China’s coal industry implemented the correct principle of restoring and rebuilding old mines. In order to ensure the safety of miners’ lives and property, a series of effective measures have been taken to prevent groundwater flooding under the leadership of the party. Coal mine production safety