# Relationship history for MSHA mine 3503969

Current hierarchy: **Luke  Hines; Amber  Hines → Ljh Construction LLC → Track Plant 2**

- 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:** Luke  Hines → Track Plant 2; 2024-11-21 to 2025-01-14; source msha-controller-operator-history
- **operator_operates_mine:** Ljh Construction LLC → Track Plant 2; 2025-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Luke  Hines → Ljh Construction LLC; 2025-01-15 to 2025-01-14; source msha-controller-operator-history
- **controller_controls_mine:** Amber  Hines et al → Track Plant 2; 2025-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Amber  Hines et al → Ljh Construction LLC; 2025-01-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Luke  Hines et al → Ljh Construction LLC; 2025-01-15 to current/open; source msha-controller-operator-history