Research Article
The Cause of Drop of the Water Level of Underground Quaternary Aquifer of a Mine under Mining Influence
Table 1
Statistical table of water level elevation changes.
| | Item | Observation date | Altitude (m) | Observation date | Altitude (m) | Cumulative decline (m) | | Hole number |
| | Water1 (west first) mining area | 2017.12.31 | -148.682 | 2010.1.15 | -38.56 | 110.122 | | Water3 (west first) | 2017.12.31 | -128.036 | 2010.1.15 | 3.775 | 131.811 | | Water5 (west first) | 2017.12.31 | -21.304 | 2011.6.15 | -0.027 | 21.277 |
|
|
