# Relationship history for MSHA mine 4600376

Current hierarchy: **El Paso Energy Corp → Coastal Coal-West Virginia Llc → No 1 Preparation Plant**

- 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 Preparation Plant; 1950-01-01 to 1974-05-31; source msha-controller-operator-history
- **controller_controls_mine:** Hutman Sam → No 1 Preparation Plant; 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 1974-05-31; source msha-controller-operator-history
- **operator_operates_mine:** Clear Creek Fuel Corp → No 1 Preparation Plant; 1974-06-01 to 1984-10-18; source msha-controller-operator-history
- **controller_controls_mine:** Hutman Bailey → No 1 Preparation Plant; 1974-06-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Hutman Bailey → Clear Creek Fuel Corp; 1974-06-01 to 1984-10-18; source msha-controller-operator-history
- **controller_controls_mine:** El Paso Energy Corp → No 1 Preparation Plant; 1979-10-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Clear Creek Fuel Corp → No 1 Preparation Plant; 1984-10-19 to 1990-09-09; source msha-controller-operator-history
- **controller_controls_mine:** Paul K  Moran → No 1 Preparation Plant; 1984-10-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Paul K  Moran → Clear Creek Fuel Corp; 1984-10-19 to 1990-09-09; source msha-controller-operator-history
- **operator_operates_mine:** Coastal Coal-West Virginia Llc → No 1 Preparation Plant; 1990-09-10 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** El Paso Energy Corp → Coastal Coal-West Virginia Llc; 1990-09-10 to current/open; source msha-controller-operator-history