# Relationship history for MSHA mine 1515632

Current hierarchy: **Eddie  Hurley → Husky Mining Company Inc → No 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: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** ITT Corporation → No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky Carbon Corp → No 1; 1986-04-01 to 1992-06-04; source msha-controller-operator-history
- **controller_controls_operator:** ITT Corporation → Kentucky Carbon Corp; 1986-04-01 to 1992-06-04; source msha-controller-operator-history
- **controller_controls_mine:** James L  Griffith et al → No 1; 1989-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** D & L Coal Inc → No 1; 1992-06-05 to 1992-09-13; source msha-controller-operator-history
- **controller_controls_operator:** James L  Griffith et al → D & L Coal Inc; 1992-06-05 to 1992-09-13; source msha-controller-operator-history
- **operator_operates_mine:** Kentucky Carbon Corp → No 1; 1992-09-14 to 1993-10-24; source msha-controller-operator-history
- **controller_controls_operator:** ITT Corporation → Kentucky Carbon Corp; 1992-09-14 to 1993-10-24; source msha-controller-operator-history
- **operator_operates_mine:** Husky Mining Company Inc → No 1; 1993-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Eddie  Hurley → No 1; 1993-10-25 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Eddie  Hurley → Husky Mining Company Inc; 1993-10-25 to current/open; source msha-controller-operator-history