Yinshan lead-zinc zone is relatively simple in hydrogeological conditions,using limited data,analyze hydrogeological conditions of the study area,creat numerical simulation model,fit the special circumstances of the observation wells in the absence of circumstances header data, inversion to find the mine discharge. Through providing the basis of mine safety production by predicting mine discharge,and proposed a new method for fitting a special case.%介绍了银山铅锌矿区的水文地质条件相对简单，通过有限的资料，对研究区水文地质条件进行分析，利用Visual Modflow建立数值模拟模型，在无观测井水头数据的情况下进行特殊情况下的拟合，反演求出矿井涌水量，通过预测矿井涌水量对矿山的安全生产提供依据，并提出了一种特殊情况下拟合的新方法。
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