# Relationship history for MSHA mine 4606193

Current hierarchy: **Kennie Ray  Childers → Shannondale Corp → Shannondale No 3**

- 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

- **controller_controls_mine:** Kennie Ray  Childers → Shannondale No 3; 1980-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Shannondale Corp → Shannondale No 3; 1980-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kennie Ray  Childers → Shannondale Corp; 1980-09-01 to current/open; source msha-controller-operator-history