# Relationship history for MSHA mine 4104311

Current hierarchy: **Johnny E  Baton; David  Baton → Baton Gravel-Rock LC → Baton Gravel-Rock LC**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-18T09:31:49.615908+00:00

## Valid-time edges

- **operator_operates_mine:** Baton Gravel-Rock LC → Baton Gravel-Rock LC; 2001-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** David  Baton  et al → Baton Gravel-Rock LC; 2001-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** David  Baton  et al → Baton Gravel-Rock LC; 2001-08-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Johnny E  Baton  et al → Baton Gravel-Rock LC; 2001-08-01 to current/open; source msha-controller-operator-history