| Answer | Crossword Clue |
|---|---|
| OPENPIT | Type of surface mining |
| OPENPIT | Type of mining used for near-the-surface minerals |
| opencast | noting or pertaining to a type of surface mining in which coal and other flat-lying mineral deposits are removed by the excavation of long, narrow trenches |
| PLACER | Type of mining. |
| OPENPIT | Type of mining |
| SUBLEVEL | Type of mining |
| PIT | Type of mining |
| PLACER | Type of mining |
| OPENPIT | Type of strip mining |
