# Relationship history for MSHA mine 4801649

Current hierarchy: **Converse County-WY → Converse County → Lovitt Gravel Pit**

- 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

- **operator_operates_mine:** Converse County → Lovitt Gravel Pit; 2004-03-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Converse County-WY → Lovitt Gravel Pit; 2004-03-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Converse County-WY → Converse County; 2004-03-03 to current/open; source msha-controller-operator-history