# Relationship history for MSHA mine 4605201

Current hierarchy: **Ira M  Simpkins → Ole Way Mining Inc. → Still Run No 9**

- 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:** Cline Lassie → Still Run No 9; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Red Rose Coal Company Inc → Still Run No 9; 1976-06-22 to 1977-06-23; source msha-controller-operator-history
- **controller_controls_operator:** Cline Lassie → Red Rose Coal Company Inc; 1976-06-22 to 1977-06-23; source msha-controller-operator-history
- **operator_operates_mine:** Last Chance Coal Company → Still Run No 9; 1977-06-24 to 1979-07-29; source msha-controller-operator-history
- **controller_controls_mine:** Roy L  McCoy et al → Still Run No 9; 1977-06-24 to 1999-05-20; source msha-controller-operator-history
- **controller_controls_operator:** Roy L  McCoy et al → Last Chance Coal Company; 1977-06-24 to 1979-07-29; source msha-controller-operator-history
- **operator_operates_mine:** Westigan Inc → Still Run No 9; 1979-07-30 to 2000-07-27; source msha-controller-operator-history
- **controller_controls_mine:** Muscari Samuel A → Still Run No 9; 1979-07-30 to 2000-07-27; source msha-controller-operator-history
- **controller_controls_operator:** Muscari Samuel A → Westigan Inc; 1979-07-30 to 2000-07-27; source msha-controller-operator-history
- **controller_controls_mine:** K Dale  Tolliver et al → Still Run No 9; 1997-08-22 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Jeffrey K  Justus et al → Still Run No 9; 1997-09-24 to 2004-12-20; source msha-controller-operator-history
- **controller_controls_mine:** R R D Inc → Still Run No 9; 1998-08-01 to 2000-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Riverside Energy Inc → Still Run No 9; 2000-07-28 to 2000-12-31; source msha-controller-operator-history
- **controller_controls_operator:** R R D Inc → Riverside Energy Inc; 2000-07-28 to 2000-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Camp Creek Service Center Ltd → Still Run No 9; 2001-01-01 to 2002-03-04; source msha-controller-operator-history
- **controller_controls_operator:** K Dale  Tolliver et al → Camp Creek Service Center Ltd; 2001-01-01 to 2002-03-04; source msha-controller-operator-history
- **operator_operates_mine:** Cale Yarborough Energy, Inc. → Still Run No 9; 2002-03-05 to 2003-04-03; source msha-controller-operator-history
- **controller_controls_mine:** Cale  Yarborough → Still Run No 9; 2002-03-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Cale  Yarborough → Cale Yarborough Energy, Inc.; 2002-03-05 to 2003-04-03; source msha-controller-operator-history
- **operator_operates_mine:** Ole Way Mining Inc. → Still Run No 9; 2003-04-04 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jeffrey K  Justus et al → Ole Way Mining Inc.; 2003-04-04 to 2004-12-20; source msha-controller-operator-history
- **controller_controls_mine:** Ira M  Simpkins → Still Run No 9; 2004-12-21 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Ira M  Simpkins → Ole Way Mining Inc.; 2004-12-21 to current/open; source msha-controller-operator-history