# Relationship history for MSHA mine 1502156

Current hierarchy: **Kenneth O  Taylor Jr → No.1 Contractor Inc. → Providence #1 Prep 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:** Island Creek Coal Company → Providence #1 Prep Plant; 1950-01-01 to 1993-06-30; source msha-controller-operator-history
- **controller_controls_mine:** Occidental Petroleum Corp → Providence #1 Prep Plant; 1950-01-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Occidental Petroleum Corp → Island Creek Coal Company; 1950-01-01 to 1993-06-30; source msha-controller-operator-history
- **operator_operates_mine:** Island Creek Coal Company → Providence #1 Prep Plant; 1993-07-01 to 1994-12-11; source msha-controller-operator-history
- **controller_controls_mine:** CONSOL Energy Inc → Providence #1 Prep Plant; 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 1994-12-11; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth O  Taylor Jr → Providence #1 Prep Plant; 1994-12-07 to 1995-02-23; source msha-controller-operator-history
- **operator_operates_mine:** Victory Processing Inc → Providence #1 Prep Plant; 1994-12-12 to 1995-01-19; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth O  Taylor Jr → Victory Processing Inc; 1994-12-12 to 1995-01-19; source msha-controller-operator-history
- **operator_operates_mine:** Victory Processing Inc → Providence #1 Prep Plant; 1995-01-20 to 1996-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Pentecost Gary → Providence #1 Prep Plant; 1995-01-20 to 1996-12-31; source msha-controller-operator-history
- **controller_controls_operator:** Pentecost Gary → Victory Processing Inc; 1995-01-20 to 1996-10-31; source msha-controller-operator-history
- **controller_controls_mine:** Kenneth O  Taylor Jr → Providence #1 Prep Plant; 1996-05-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Victory Processing Inc → Providence #1 Prep Plant; 1996-11-01 to 2001-11-11; source msha-controller-operator-history
- **controller_controls_mine:** Mike  Barron → Providence #1 Prep Plant; 1996-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Mike  Barron → Victory Processing Inc; 1996-11-01 to 2001-11-11; source msha-controller-operator-history
- **operator_operates_mine:** No.1 Contractor Inc. → Providence #1 Prep Plant; 2001-11-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Kenneth O  Taylor Jr → No.1 Contractor Inc.; 2001-11-12 to current/open; source msha-controller-operator-history