Effect of Coal Mining on Springs in the Yushenfu Mining Area of China

Figure 12

Schematic diagram of spring drying mechanism in Hala Ditch of Kuye Basin. 1: Silty fine sand; 2: intermediate fine sand; 3: sandstone; 4: drying spring; 5: groundwater level before mining; 6: groundwater level after mining; 7: mined-out area.