Nickel, Copper Mines
51Total Sites
0Active
Nickel, Copper Mining in the United States
Federal databases document 51 nickel, copper-related mine and mineral deposit locations across the United States. No nickel, copper mines are currently listed as active in the MSHA database, though many historical deposits and past producers are documented in USGS records. These records span active mines, past producers, mineral prospects, and geological occurrences identified through federal surveys.
Top States
| State | Sites |
|---|---|
| Alaska | 24 |
| Montana | 11 |
| Minnesota | 4 |
| Maine | 3 |
| Idaho | 3 |
| Oregon | 2 |
| Wisconsin | 1 |
| Washington | 1 |
| Michigan | 1 |
| Colorado | 1 |