# Relationship history for MSHA mine 4002796

Current hierarchy: **Penn-Va Corp; Luttrell Mining → Tenn-Luttrell Lime Company → Hydrated Lime Manufacturing Plant**

- 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:** Luttrell Mining et al → Hydrated Lime Manufacturing Plant; 1979-07-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Tenn-Luttrell Lime Company → Hydrated Lime Manufacturing Plant; 1982-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Luttrell Mining et al → Tenn-Luttrell Lime Company; 1982-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Penn-Va Corp  et al → Tenn-Luttrell Lime Company; 1982-07-01 to current/open; source msha-controller-operator-history