# Relationship history for MSHA mine 1507295

Current hierarchy: **Lexington Coal Company LLC → LCC Kentucky LLC → Job-17 West**

- 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

- **operator_operates_mine:** Martiki Coal Corp → Job-17 West; 1974-08-01 to 1996-09-09; source msha-controller-operator-history
- **controller_controls_mine:** MAPCO Inc → Job-17 West; 1974-08-01 to 1996-09-09; source msha-controller-operator-history
- **controller_controls_operator:** MAPCO Inc → Martiki Coal Corp; 1974-08-01 to 1996-09-09; source msha-controller-operator-history
- **operator_operates_mine:** Martiki Coal Corp → Job-17 West; 1996-09-10 to 1998-11-22; source msha-controller-operator-history
- **controller_controls_mine:** Alliance Resource Partners LP → Job-17 West; 1996-09-10 to 1998-11-22; source msha-controller-operator-history
- **controller_controls_operator:** Alliance Resource Partners LP → Martiki Coal Corp; 1996-09-10 to 1998-11-22; source msha-controller-operator-history
- **controller_controls_mine:** Horizon Natural Resources Incorporated → Job-17 West; 1998-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** 17 West Mining Inc → Job-17 West; 1998-11-23 to 2004-09-30; source msha-controller-operator-history
- **controller_controls_operator:** Horizon Natural Resources Incorporated → 17 West Mining Inc; 1998-11-23 to 2004-09-30; source msha-controller-operator-history
- **operator_operates_mine:** LCC Kentucky LLC → Job-17 West; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lexington Coal Company LLC → Job-17 West; 2004-10-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lexington Coal Company LLC → LCC Kentucky LLC; 2004-10-01 to current/open; source msha-controller-operator-history