# Relationship history for MSHA mine 1519094

Current hierarchy: **JOD Holdings LLC → CLINTWOOD JOD LLC → GRASSY #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:** Jerry  Skeens  et al → GRASSY #1; 1982-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** TECO Energy Inc → GRASSY #1; 1988-04-26 to 2015-09-20; source msha-controller-operator-history
- **controller_controls_mine:** Gary  Dotson  et al → GRASSY #1; 2004-05-13 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Bowman/Cook Construction Co Inc → GRASSY #1; 2007-03-20 to 2007-08-15; source msha-controller-operator-history
- **controller_controls_mine:** Jeffery Dean  Bowman → GRASSY #1; 2007-03-20 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffery Dean  Bowman → Bowman/Cook Construction Co Inc; 2007-03-20 to 2007-08-15; source msha-controller-operator-history
- **operator_operates_mine:** C S and S Coal Corporation → GRASSY #1; 2007-08-16 to 2007-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Skeens  et al → C S and S Coal Corporation; 2007-08-16 to 2007-08-28; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Skeens  et al → C S and S Coal Corporation; 2007-08-16 to 2007-08-28; source msha-controller-operator-history
- **operator_operates_mine:** Clintwood Elkhorn Mining → GRASSY #1; 2007-08-29 to 2007-11-14; source msha-controller-operator-history
- **controller_controls_operator:** TECO Energy Inc → Clintwood Elkhorn Mining; 2007-08-29 to 2007-11-14; source msha-controller-operator-history
- **operator_operates_mine:** C S & S Coal Corporation → GRASSY #1; 2007-11-15 to 2021-08-12; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Skeens  et al → C S & S Coal Corporation; 2007-11-15 to 2021-08-12; source msha-controller-operator-history
- **controller_controls_operator:** Jerry  Skeens  et al → C S & S Coal Corporation; 2007-11-15 to 2021-08-12; source msha-controller-operator-history
- **controller_controls_mine:** James H  Booth et al → GRASSY #1; 2015-09-21 to 2019-06-15; source msha-controller-operator-history
- **controller_controls_operator:** James H  Booth et al → Clintwood Elkhorn Mining; 2015-09-21 to 2007-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Keith E  Thacker → GRASSY #1; 2018-12-04 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** J Mark  Campbell → GRASSY #1; 2019-06-16 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** J Mark  Campbell → Clintwood Elkhorn Mining; 2019-06-16 to 2007-11-14; source msha-controller-operator-history
- **controller_controls_mine:** JOD Holdings LLC → GRASSY #1; 2019-10-26 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clintwood JOD, LLC → GRASSY #1; 2021-08-13 to 2022-11-08; source msha-controller-operator-history
- **controller_controls_operator:** JOD Holdings LLC → Clintwood JOD, LLC; 2021-08-13 to 2022-11-08; source msha-controller-operator-history
- **operator_operates_mine:** Cavalier Mineral, Inc. → GRASSY #1; 2022-11-09 to 2025-02-13; source msha-controller-operator-history
- **controller_controls_operator:** Gary  Dotson  et al → Cavalier Mineral, Inc.; 2022-11-09 to 2025-02-13; source msha-controller-operator-history
- **operator_operates_mine:** CLINTWOOD JOD LLC → GRASSY #1; 2025-02-14 to 2025-05-04; source msha-controller-operator-history
- **controller_controls_operator:** JOD Holdings LLC → CLINTWOOD JOD LLC; 2025-02-14 to 2025-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Torchlight Advanced Fuels, Inc. → GRASSY #1; 2025-05-05 to 2025-05-29; source msha-controller-operator-history
- **controller_controls_operator:** Keith E  Thacker → Torchlight Advanced Fuels, Inc.; 2025-05-05 to 2025-05-29; source msha-controller-operator-history
- **operator_operates_mine:** CLINTWOOD JOD LLC → GRASSY #1; 2025-05-30 to 2025-06-09; source msha-controller-operator-history
- **controller_controls_operator:** JOD Holdings LLC → CLINTWOOD JOD LLC; 2025-05-30 to 2025-06-09; source msha-controller-operator-history
- **operator_operates_mine:** Torchlight Advance Fuels, Inc. → GRASSY #1; 2025-06-10 to 2025-11-16; source msha-controller-operator-history
- **controller_controls_operator:** Keith E  Thacker → Torchlight Advance Fuels, Inc.; 2025-06-10 to 2025-11-16; source msha-controller-operator-history
- **operator_operates_mine:** CLINTWOOD JOD LLC → GRASSY #1; 2025-11-17 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** JOD Holdings LLC → CLINTWOOD JOD LLC; 2025-11-17 to current/open; source msha-controller-operator-history