# Relationship history for MSHA mine 4606474

Current hierarchy: **Muscari John → Comorant Resources Inc → No 7**

- 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:** Mining Star Coal Company → No 7; 1981-11-01 to 1982-11-21; source msha-controller-operator-history
- **controller_controls_mine:** Beres Kendall → No 7; 1981-11-01 to 1982-11-21; source msha-controller-operator-history
- **controller_controls_operator:** Beres Kendall → Mining Star Coal Company; 1981-11-01 to 1982-11-21; source msha-controller-operator-history
- **operator_operates_mine:** Prince Mining Company Inc → No 7; 1982-11-22 to 1983-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Prince Ersel → No 7; 1982-11-22 to 1983-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Prince Ersel → Prince Mining Company Inc; 1982-11-22 to 1983-11-14; source msha-controller-operator-history
- **operator_operates_mine:** Comorant Resources Inc → No 7; 1983-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Muscari John → No 7; 1983-11-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Muscari John → Comorant Resources Inc; 1983-11-15 to current/open; source msha-controller-operator-history