| Answer | Crossword Clue |
|---|---|
| BUTTE | Former Montana copper-mining city |
| BUTTE | Montana mining city |
| BUTTE | Rocky Mountain city once home to the Anaconda Copper Mining Company |
| ANACONDA | City in Montana, famed for copper smelting. |
| ANACONDA | City in Montana, largest copper smelter in the world. |
| ORURO | Bolivian city, mining center, former capital. |
