North Grindstone Mine — Inspections
Total: 11 inspections
| Begin | End | Operator | Hours | Inspectors |
|---|---|---|---|---|
| 09/17/2012 | 09/20/2012 | Black Nugget LLC | 36.00 | 1 |
| 01/03/2012 | 01/06/2012 | Black Nugget LLC | 59.50 | 3 |
| 08/28/2011 | 09/01/2011 | Black Nugget LLC | 45.50 | 1 |
| 02/14/2011 | 03/30/2011 | Black Nugget LLC | 60.50 | 2 |
| 06/21/2010 | 06/25/2010 | Black Nugget LLC | 39.50 | 1 |
| 11/05/2009 | 11/05/2009 | Black Nugget LLC | 12.00 | 1 |
| 10/15/2009 | 10/15/2009 | Black Nugget LLC | 2.00 | 1 |
| 10/14/2009 | 10/26/2009 | Black Nugget LLC | 53.25 | 1 |
| 10/14/2009 | 10/14/2009 | Black Nugget LLC | 1.25 | 1 |
| 10/13/2009 | 10/14/2009 | Black Nugget LLC | 8.25 | 1 |
| 08/18/2009 | 09/16/2009 | Black Nugget LLC | 58.75 | 2 |