文档介绍：2011年度矿山地质环境治理重大项目xxxxxx、xx采空区充填治理工程可行性研究报告项目申报单位:xx报告编制单位:xxxx二〇一一年五月目录一、立项依据及意义·················································································································2(一)项目名称和承担单位································································································2(二)项目起止时间············································································································2(三)项目类型····················································································································2(四)立项依据····································