| Label |
Statistics |
Description |
| facility |  | The type of operation -- may be a mine or one of several kinds of processing plants |
| method |  | The method of mining used by the operation if it is considered to be a mine |
| company |  | The principal company operating at the site |
| status |  | An indicator of whether an operation was producing in 2004 |
| capacity |  | The amount it is possible to produce at the facility |
| units |  | The unit of measure for the plant capacity attribute of the site. |