# Relationship history for MSHA mine 4406321

Current hierarchy: **Thomas V  Cooper → Cane Patch Mining Company Inc → #1 Strip**

- 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:** Cane Patch Mining Company Inc → #1 Strip; 1986-09-01 to 1992-02-27; source msha-controller-operator-history
- **controller_controls_mine:** Fraley Jerry L → #1 Strip; 1986-09-01 to 1992-02-27; source msha-controller-operator-history
- **controller_controls_operator:** Fraley Jerry L → Cane Patch Mining Company Inc; 1986-09-01 to 1992-02-27; source msha-controller-operator-history
- **operator_operates_mine:** Cane Patch Mining Company Inc → #1 Strip; 1992-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Thomas V  Cooper → #1 Strip; 1992-02-28 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Thomas V  Cooper → Cane Patch Mining Company Inc; 1992-02-28 to current/open; source msha-controller-operator-history