# Relationship history for MSHA mine 4603890

Current hierarchy: **Hutman Bailey → Clear Creek Fuel Corp → No 1 Tipple**

- 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:** Burdette'S Creek Coal Corp → No 1 Tipple; 1950-01-01 to 1975-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Hutman Sam → No 1 Tipple; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hutman Sam → Burdette'S Creek Coal Corp; 1950-01-01 to 1975-02-28; source msha-controller-operator-history
- **controller_controls_mine:** Hutman Bailey → No 1 Tipple; 1974-06-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clear Creek Fuel Corp → No 1 Tipple; 1975-03-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hutman Bailey → Clear Creek Fuel Corp; 1975-03-01 to current/open; source msha-controller-operator-history