# Relationship history for MSHA mine 4608531

Current hierarchy: **Kenneth  Robinette → Litwar Energy Inc → Mine No 1 (1)**

- 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:** Litwar Energy Inc → Mine No 1 (1); 1995-09-01 to 1996-03-07; source msha-controller-operator-history
- **controller_controls_mine:** David  Hopkins → Mine No 1 (1); 1995-09-01 to 1996-03-07; source msha-controller-operator-history
- **controller_controls_operator:** David  Hopkins → Litwar Energy Inc; 1995-09-01 to 1996-03-07; source msha-controller-operator-history
- **operator_operates_mine:** Litwar Energy Inc → Mine No 1 (1); 1996-03-08 to 1996-05-30; source msha-controller-operator-history
- **controller_controls_mine:** Addair William → Mine No 1 (1); 1996-03-08 to 1996-05-30; source msha-controller-operator-history
- **controller_controls_operator:** Addair William → Litwar Energy Inc; 1996-03-08 to 1996-05-30; source msha-controller-operator-history
- **operator_operates_mine:** Litwar Energy Inc → Mine No 1 (1); 1996-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth  Robinette → Mine No 1 (1); 1996-05-31 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth  Robinette → Litwar Energy Inc; 1996-05-31 to current/open; source msha-controller-operator-history