# Relationship history for MSHA mine 1516546

Current hierarchy: **Mike  Barron → Victory Processing Inc → Triple T No 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: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** Occidental Petroleum Corp → Triple T No 1; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Island Creek Coal Company → Triple T No 1; 1989-01-01 to 1993-06-30; source msha-controller-operator-history
- **controller_controls_operator:** Occidental Petroleum Corp → Island Creek Coal Company; 1989-01-01 to 1993-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Island Creek Coal Company → Triple T No 1; 1993-07-01 to 1994-12-06; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Triple T No 1; 1993-07-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CONSOL Energy Inc → Island Creek Coal Company; 1993-07-01 to 1994-12-06; source msha-controller-operator-history
- **operator_operates_mine:** Victory Processing Inc → Triple T No 1; 1994-12-07 to 1995-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth O  Taylor Jr → Triple T No 1; 1994-12-07 to 1995-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth O  Taylor Jr → Victory Processing Inc; 1994-12-07 to 1995-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Pentecost Gary → Triple T No 1; 1995-01-20 to 1996-12-31; source msha-controller-operator-history
- **operator_operates_mine:** Victory Processing Inc → Triple T No 1; 1995-02-24 to 1996-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Pentecost Gary → Victory Processing Inc; 1995-02-24 to 1996-12-31; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Barron → Triple T No 1; 1996-11-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Victory Processing Inc → Triple T No 1; 1997-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Barron → Victory Processing Inc; 1997-01-01 to current/open; source msha-controller-operator-history