Calvert Mine — Inspections
Total: 69 inspections
| Begin | End | Operator | Hours | Inspectors |
|---|---|---|---|---|
| 10/29/2025 | 11/18/2025 | Calvert USA, LLC | 18.00 | 1 |
| 06/23/2025 | 06/23/2025 | Calvert USA, LLC | 10.00 | 1 |
| 06/02/2025 | 06/13/2025 | Calvert USA, LLC | 26.25 | 1 |
| 03/05/2025 | 03/14/2025 | Calvert USA, LLC | 18.50 | 1 |
| 09/03/2024 | 09/04/2024 | Calvert Corp | 15.25 | 1 |
| 11/27/2023 | 11/29/2023 | Calvert Corp | 26.25 | 1 |
| 11/15/2023 | 11/21/2023 | Calvert Corp | 52.75 | 1 |
| 06/13/2023 | 06/13/2023 | Calvert Corp | 6.00 | 1 |
| 05/17/2023 | 05/17/2023 | Calvert Corp | 2.00 | 1 |
| 01/03/2023 | 01/03/2023 | Calvert Corp | 4.50 | 1 |
| 12/14/2022 | 12/15/2022 | Calvert Corp | 18.00 | 1 |
| 07/19/2022 | 07/19/2022 | Calvert Corp | 4.50 | 1 |
| 07/13/2022 | 07/13/2022 | Calvert Corp | 9.25 | 1 |
| 03/09/2022 | 03/10/2022 | Calvert Corp | 11.50 | 1 |
| 08/04/2021 | 08/04/2021 | Calvert Corp | 9.25 | 1 |
| 10/27/2020 | 10/29/2020 | Calvert Corp | 20.50 | 1 |
| 06/30/2020 | 06/30/2020 | Calvert Corp | 15.00 | 1 |
| 01/22/2020 | 01/23/2020 | Calvert Corp | 17.75 | 1 |
| 05/20/2019 | 05/21/2019 | Calvert Corp | 9.00 | 1 |
| 03/05/2019 | 03/05/2019 | Calvert Corp | 8.50 | 1 |
| 02/12/2019 | 02/13/2019 | Calvert Corp | 14.00 | 1 |
| 08/30/2018 | 08/30/2018 | Calvert Corp | 8.25 | 1 |
| 05/02/2018 | 05/02/2018 | Calvert Corp | 9.00 | 1 |
| 01/08/2018 | 01/09/2018 | Calvert Corp | 16.00 | 1 |
| 06/13/2017 | 06/14/2017 | Calvert Corp | 18.50 | 1 |
| 03/06/2017 | 03/07/2017 | Calvert Corp | 10.25 | 1 |
| 02/14/2017 | 02/16/2017 | Calvert Corp | 37.00 | 1 |
| 06/09/2016 | 06/09/2016 | Calvert Corp | 0.50 | 1 |
| 06/08/2016 | 06/09/2016 | Calvert Corp | 12.00 | 1 |
| 01/21/2016 | 01/21/2016 | Calvert Corp | 10.75 | 1 |
| 01/21/2016 | 01/21/2016 | Calvert Corp | 0.75 | 1 |
| 08/26/2015 | 08/26/2015 | Calvert Corp | 1.00 | 1 |
| 06/15/2015 | 06/16/2015 | Calvert Corp | 5.00 | 1 |
| 04/29/2015 | 05/01/2015 | Calvert Corp | 8.75 | 1 |
| 12/09/2014 | 12/11/2014 | Calvert Corp | 9.50 | 1 |
| 07/23/2014 | 07/23/2014 | Calvert Corp | 14.00 | 1 |
| 03/25/2014 | 03/25/2014 | Calvert Corp | 15.50 | 1 |
| 08/12/2013 | 08/13/2013 | Calvert Corp | 16.25 | 1 |
| 03/20/2013 | 03/21/2013 | Calvert Corp | 4.00 | 1 |
| 05/09/2012 | 05/14/2012 | Calvert Corp | 17.50 | 1 |
| 11/21/2011 | 11/21/2011 | Calvert Corp | 9.75 | 1 |
| 10/31/2011 | 11/01/2011 | Calvert Corp | 17.00 | 1 |
| 07/11/2011 | 07/13/2011 | Calvert Corp | 9.50 | 1 |
| 01/04/2011 | 01/04/2011 | Calvert Corp | 4.00 | 1 |
| 01/04/2011 | 01/04/2011 | Calvert Corp | 16.25 | 1 |
| 07/13/2010 | 07/13/2010 | Calvert Corp | 21.00 | 1 |
| 12/10/2009 | 12/10/2009 | Calvert Corp | 2.00 | 1 |
| 10/20/2009 | 10/20/2009 | Calvert Corp | 14.00 | 1 |
| 04/14/2009 | 04/15/2009 | Calvert Corp | 19.00 | 1 |
| 03/11/2009 | 03/11/2009 | Calvert Corp | 3.75 | 1 |