# Relationship history for MSHA mine 4003654

Current hierarchy: **Jace  Lyon; Bret  Lyon; Chad  Miller → LM Rock & Dirt Co. → Wolfe Property**

- 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:** LM Rock & Dirt Co. → Wolfe Property; 2026-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Bret  Lyon et al → Wolfe Property; 2026-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Bret  Lyon et al → LM Rock & Dirt Co.; 2026-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jace  Lyon et al → LM Rock & Dirt Co.; 2026-06-30 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Chad  Miller et al → LM Rock & Dirt Co.; 2026-06-30 to current/open; source msha-controller-operator-history