Butte, Montana and Berkeley Pit
Additional Details:
| Butte, Montana and Berkeley Pit. "The richest Hill on Earth" is being carefully combed by Open Pit methods for any riches formerly overlooked. From 1881 to 1961 inclusive Butte Hill has yielded (in pounds): 15,459,962,615 copper; 4,584,104,689 zinc; 3,667,017,742 silver; 804,024,009 lead; (in ounces) 627,753,711 gold; manganese, 2,406,039 gold. |
