| 1 | A small body or accumulation of ore. | |
| 2 | Open pits evolved into networks of underground galleries. | |
| 3 | The mining pits are grounds for malaria because they are mining in the shallow waters. | |
| 4 | Over 1, 600 factories and abandoned mines will be submerged when the dam is completed. | |
| 5 | The disease appears to have originated in New York state, in caves and mines in the Adirondack mountains. |