# Relationship history for MSHA mine 1519622

Current hierarchy: **James Eric  Davidson → Reckoning Reclamation, LLC. → Job 51**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** TECO Energy Inc → Job 51; 1991-12-02 to 2015-09-20; source msha-controller-operator-history
- **operator_operates_mine:** Premier Elkhorn Coal Company, LLC → Job 51; 2011-09-06 to 2019-10-09; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Premier Elkhorn Coal Company, LLC; 2011-09-06 to 2015-09-20; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → Job 51; 2015-09-21 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Premier Elkhorn Coal Company, LLC; 2015-09-21 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_mine:** J Mark  Campbell → Job 51; 2019-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Premier Elkhorn Coal Company, LLC; 2019-06-16 to 2019-10-09; source msha-controller-operator-history
- **operator_operates_mine:** Virgie Clean Mining, LLC → Job 51; 2019-10-10 to 2023-01-29; source msha-controller-operator-history
- **controller_controls_mine:** William K  Abraham → Job 51; 2019-10-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** William K  Abraham → Virgie Clean Mining, LLC; 2019-10-10 to 2023-01-29; source msha-controller-operator-history
- **controller_controls_mine:** Kautilya K  Sharma → Job 51; 2021-07-30 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Myra Resources LLC. → Job 51; 2023-01-30 to 2025-07-01; source msha-controller-operator-history
- **controller_controls_operator:** Kautilya K  Sharma → Myra Resources LLC.; 2023-01-30 to 2025-07-01; source msha-controller-operator-history
- **controller_controls_mine:** James Eric  Davidson → Job 51; 2024-02-23 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Reckoning Reclamation, LLC. → Job 51; 2025-07-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** James Eric  Davidson → Reckoning Reclamation, LLC.; 2025-07-02 to current/open; source msha-controller-operator-history