# Relationship history for MSHA mine 4405481

Current hierarchy: **Stiltner Paul E → Carwan Coal Company Inc → Mine No 2**

- 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

- **controller_controls_mine:** Kyle Lawrence → Mine No 2; 1980-07-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** K & V Coal Company Inc → Mine No 2; 1980-08-01 to 1981-05-04; source msha-controller-operator-history
- **controller_controls_operator:** Kyle Lawrence → K & V Coal Company Inc; 1980-08-01 to 1981-05-04; source msha-controller-operator-history
- **operator_operates_mine:** Mighty Mite Mining Inc → Mine No 2; 1981-05-05 to 1982-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Smith Glen A → Mine No 2; 1981-05-05 to 1982-01-18; source msha-controller-operator-history
- **controller_controls_operator:** Smith Glen A → Mighty Mite Mining Inc; 1981-05-05 to 1982-01-18; source msha-controller-operator-history
- **controller_controls_mine:** Stiltner Paul E → Mine No 2; 1981-09-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Carwan Coal Company Inc → Mine No 2; 1982-01-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Stiltner Paul E → Carwan Coal Company Inc; 1982-01-19 to current/open; source msha-controller-operator-history