Happy Hollow Mine — Inspections
Total: 2 inspections
| Begin | End | Operator | Hours | Inspectors |
|---|---|---|---|---|
| 04/11/2000 | 07/21/2000 | Black Hills Coal Inc | 51.50 | 2 |
| 02/29/2000 | 02/29/2000 | Black Hills Coal Inc | 4.50 | 1 |
Total: 2 inspections
| Begin | End | Operator | Hours | Inspectors |
|---|---|---|---|---|
| 04/11/2000 | 07/21/2000 | Black Hills Coal Inc | 51.50 | 2 |
| 02/29/2000 | 02/29/2000 | Black Hills Coal Inc | 4.50 | 1 |