Affiliation: | 1 Center for Hydrogeology and Environmental Geology,CGS,Baoding ,071051,1 Center for Hydrogeology and Environmental Geology,CGS,Baoding ,071051,1 Center for Hydrogeology and Environmental Geology,CGS,Baoding ,071051,1 Center for Hydrogeology and Environmental Geology,CGS,Baoding ,071051,1 Center for Hydrogeology and Environmental Geology,CGS,Baoding ,071051,1 Center for Hydrogeology and Environmental Geology,CGS,Baoding ,071051,1 Center for Hydrogeology and Environmental Geology,CGS,Baoding ,071051 and 2 Hebei Research Center for Ecological and Environmental Geology,Shijiazhuang,050031 |