Sperry Mine — Inspections
Total: 167 inspections
| Begin | End | Operator | Hours | Inspectors |
|---|---|---|---|---|
| 02/18/2026 | 03/03/2026 | United States Gypsum Company | 73.25 | 1 |
| 10/27/2025 | 11/14/2025 | United States Gypsum Company | 77.50 | 1 |
| 08/18/2025 | 08/26/2025 | United States Gypsum Company | 81.00 | 2 |
| 04/21/2025 | 04/25/2025 | United States Gypsum Company | 91.75 | 2 |
| 02/24/2025 | 03/10/2025 | United States Gypsum Company | 93.50 | 2 |
| 11/12/2024 | 11/27/2024 | United States Gypsum Company | 95.50 | 2 |
| 07/31/2024 | 08/05/2024 | United States Gypsum Company | 24.75 | 1 |
| 07/09/2024 | 07/25/2024 | United States Gypsum Company | 146.75 | 2 |
| 04/29/2024 | 04/30/2024 | United States Gypsum Company | 11.25 | 1 |
| 04/15/2024 | 04/25/2024 | United States Gypsum Company | 80.50 | 1 |
| 02/26/2024 | 03/13/2024 | United States Gypsum Company | 89.25 | 1 |
| 11/13/2023 | 11/30/2023 | United States Gypsum Company | 97.00 | 1 |
| 08/09/2023 | 08/17/2023 | United States Gypsum Company | 67.75 | 1 |
| 07/19/2023 | 07/19/2023 | United States Gypsum Company | 3.25 | 1 |
| 06/14/2023 | 06/14/2023 | United States Gypsum Company | 6.50 | 1 |
| 05/15/2023 | 06/06/2023 | United States Gypsum Company | 89.75 | 1 |
| 01/30/2023 | 02/13/2023 | United States Gypsum Company | 83.50 | 1 |
| 11/14/2022 | 12/06/2022 | United States Gypsum Company | 100.00 | 1 |
| 07/18/2022 | 07/27/2022 | United States Gypsum Company | 85.50 | 1 |
| 04/18/2022 | 04/27/2022 | United States Gypsum Company | 77.50 | 1 |
| 01/24/2022 | 02/18/2022 | United States Gypsum Company | 90.50 | 1 |
| 01/10/2022 | 01/11/2022 | United States Gypsum Company | 14.25 | 1 |
| 12/29/2021 | 12/29/2021 | United States Gypsum Company | 5.50 | 1 |
| 11/22/2021 | 11/22/2021 | United States Gypsum Company | 5.00 | 1 |
| 10/25/2021 | 11/10/2021 | United States Gypsum Company | 101.50 | 1 |
| 09/27/2021 | 09/29/2021 | United States Gypsum Company | 27.00 | 1 |
| 09/01/2021 | 09/08/2021 | United States Gypsum Company | 15.50 | 1 |
| 08/09/2021 | 08/24/2021 | United States Gypsum Company | 129.75 | 1 |
| 07/06/2021 | 07/07/2021 | United States Gypsum Company | 7.50 | 1 |
| 05/19/2021 | 06/10/2021 | United States Gypsum Company | 125.75 | 1 |
| 02/17/2021 | 03/04/2021 | United States Gypsum Company | 114.00 | 1 |
| 12/29/2020 | 12/30/2020 | United States Gypsum Company | 11.50 | 1 |
| 11/03/2020 | 12/09/2020 | United States Gypsum Company | 109.00 | 3 |
| 07/14/2020 | 07/30/2020 | United States Gypsum Company | 119.75 | 1 |
| 05/11/2020 | 05/20/2020 | United States Gypsum Company | 78.25 | 1 |
| 01/27/2020 | 02/06/2020 | United States Gypsum Company | 80.50 | 1 |
| 11/18/2019 | 12/05/2019 | United States Gypsum Company | 96.75 | 2 |
| 07/15/2019 | 07/24/2019 | United States Gypsum Company | 68.50 | 1 |
| 05/06/2019 | 05/29/2019 | United States Gypsum Company | 90.50 | 1 |
| 01/22/2019 | 02/07/2019 | United States Gypsum Company | 86.50 | 1 |
| 10/29/2018 | 11/15/2018 | United States Gypsum Company | 91.00 | 1 |
| 07/09/2018 | 07/18/2018 | United States Gypsum Company | 64.25 | 1 |
| 05/08/2018 | 05/08/2018 | United States Gypsum Company | 3.25 | 1 |
| 04/16/2018 | 04/25/2018 | United States Gypsum Company | 71.50 | 1 |
| 02/06/2018 | 02/15/2018 | United States Gypsum Company | 58.75 | 1 |
| 01/17/2018 | 01/18/2018 | United States Gypsum Company | 14.50 | 1 |
| 11/20/2017 | 12/07/2017 | United States Gypsum Company | 102.00 | 1 |
| 07/17/2017 | 07/27/2017 | United States Gypsum Company | 77.25 | 1 |
| 04/17/2017 | 04/27/2017 | United States Gypsum Company | 101.00 | 2 |
| 01/03/2017 | 02/09/2017 | United States Gypsum Company | 90.00 | 1 |