# Relationship history for MSHA mine 1519920

Current hierarchy: **Justin  Tackett → Tackett Energy, Inc. → Mine #1**

- 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:** David F May  et al → Mine #1; 2003-12-23 to 2019-06-01; source msha-controller-operator-history
- **controller_controls_mine:** Minerva Ruth  Mead → Mine #1; 2007-10-15 to 2013-05-29; source msha-controller-operator-history
- **controller_controls_mine:** Virginia  Mead → Mine #1; 2013-05-30 to 2021-12-07; source msha-controller-operator-history
- **controller_controls_mine:** David F  May II et al → Mine #1; 2019-06-02 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Teresa  Fleming et al → Mine #1; 2021-09-23 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Danny D Mead → Mine #1; 2021-12-08 to 2023-09-30; source msha-controller-operator-history
- **operator_operates_mine:** DFM Processing, LLC → Mine #1; 2022-05-06 to 2022-07-28; source msha-controller-operator-history
- **controller_controls_operator:** David F May  et al → DFM Processing, LLC; 2022-05-06 to 2019-06-01; source msha-controller-operator-history
- **controller_controls_operator:** Frank  May  et al → DFM Processing, LLC; 2022-05-06 to 2019-06-01; source msha-controller-operator-history
- **controller_controls_operator:** David F  May II et al → DFM Processing, LLC; 2022-05-06 to 2022-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Deward B  Kazee et al → DFM Processing, LLC; 2022-05-06 to 2022-07-28; source msha-controller-operator-history
- **operator_operates_mine:** Tereco Coal LLC → Mine #1; 2022-07-29 to 2023-04-27; source msha-controller-operator-history
- **controller_controls_operator:** Teresa  Fleming et al → Tereco Coal LLC; 2022-07-29 to 2023-04-27; source msha-controller-operator-history
- **controller_controls_operator:** Randall  Fleming et al → Tereco Coal LLC; 2022-07-29 to 2023-04-27; source msha-controller-operator-history
- **operator_operates_mine:** DFM Processing LLC → Mine #1; 2023-04-28 to 2024-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Frank  May  et al → DFM Processing LLC; 2023-04-28 to 2019-06-01; source msha-controller-operator-history
- **controller_controls_operator:** David F May  et al → DFM Processing LLC; 2023-04-28 to 2019-06-01; source msha-controller-operator-history
- **controller_controls_operator:** David F  May II et al → DFM Processing LLC; 2023-04-28 to 2024-12-10; source msha-controller-operator-history
- **controller_controls_operator:** Deward B  Kazee et al → DFM Processing LLC; 2023-04-28 to 2024-12-10; source msha-controller-operator-history
- **controller_controls_mine:** Danny D Mead et al → Mine #1; 2023-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** SUPERIOR COAL INC. → Mine #1; 2024-12-11 to 2025-02-09; source msha-controller-operator-history
- **controller_controls_mine:** Jeff  Anderson → Mine #1; 2024-12-11 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeff  Anderson → SUPERIOR COAL INC.; 2024-12-11 to 2025-02-09; source msha-controller-operator-history
- **operator_operates_mine:** MRM MINING INC. → Mine #1; 2025-02-10 to 2026-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Minerva Ruth  Mead → MRM MINING INC.; 2025-02-10 to 2013-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Virginia  Mead → MRM MINING INC.; 2025-02-10 to 2021-12-07; source msha-controller-operator-history
- **controller_controls_operator:** Danny D Mead et al → MRM MINING INC.; 2025-02-10 to 2026-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Virginia Jenny"  Mead Hicks et al" → MRM MINING INC.; 2025-02-10 to 2026-07-28; source msha-controller-operator-history
- **controller_controls_operator:** Danny D Mead → MRM MINING INC.; 2025-02-10 to 2023-09-30; source msha-controller-operator-history
- **operator_operates_mine:** Tackett Energy, Inc. → Mine #1; 2026-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Justin  Tackett → Mine #1; 2026-07-29 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Justin  Tackett → Tackett Energy, Inc.; 2026-07-29 to current/open; source msha-controller-operator-history