# Relationship history for MSHA mine 4607587

Current hierarchy: **Young John P → Z & M Inc → Easy Run No 2 Mine**

- 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:** Meador Eric Dean → Easy Run No 2 Mine; 1988-05-27 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Briarwood Energy Inc → Easy Run No 2 Mine; 1988-09-01 to 1991-03-31; source msha-controller-operator-history
- **controller_controls_operator:** Meador Eric Dean → Briarwood Energy Inc; 1988-09-01 to 1991-03-31; source msha-controller-operator-history
- **operator_operates_mine:** Upper Point Mountain Coal Company Inc → Easy Run No 2 Mine; 1991-04-01 to 1992-09-08; source msha-controller-operator-history
- **controller_controls_mine:** Bennett Jeffery L → Easy Run No 2 Mine; 1991-04-01 to 1992-09-08; source msha-controller-operator-history
- **controller_controls_operator:** Bennett Jeffery L → Upper Point Mountain Coal Company Inc; 1991-04-01 to 1992-09-08; source msha-controller-operator-history
- **operator_operates_mine:** Upper Point Mountain Coal Company Inc → Easy Run No 2 Mine; 1992-09-09 to 1993-09-16; source msha-controller-operator-history
- **controller_controls_mine:** Arther Bill → Easy Run No 2 Mine; 1992-09-09 to 1993-09-16; source msha-controller-operator-history
- **controller_controls_operator:** Arther Bill → Upper Point Mountain Coal Company Inc; 1992-09-09 to 1993-09-16; source msha-controller-operator-history
- **controller_controls_mine:** Young John P → Easy Run No 2 Mine; 1993-08-10 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cap Coal Inc → Easy Run No 2 Mine; 1993-09-17 to 1994-06-29; source msha-controller-operator-history
- **controller_controls_mine:** Facemire Brad → Easy Run No 2 Mine; 1993-09-17 to 1994-06-29; source msha-controller-operator-history
- **controller_controls_operator:** Facemire Brad → Cap Coal Inc; 1993-09-17 to 1994-06-29; source msha-controller-operator-history
- **operator_operates_mine:** Premium Smokeless Coal Company → Easy Run No 2 Mine; 1994-06-30 to 1994-11-27; source msha-controller-operator-history
- **controller_controls_mine:** Kreps Kenneth E → Easy Run No 2 Mine; 1994-06-30 to 1994-11-27; source msha-controller-operator-history
- **controller_controls_operator:** Kreps Kenneth E → Premium Smokeless Coal Company; 1994-06-30 to 1994-11-27; source msha-controller-operator-history
- **operator_operates_mine:** Premium Smokeless Coal Company → Easy Run No 2 Mine; 1994-11-28 to 1995-05-01; source msha-controller-operator-history
- **controller_controls_mine:** Law H Wayne → Easy Run No 2 Mine; 1994-11-28 to 1995-05-01; source msha-controller-operator-history
- **controller_controls_operator:** Law H Wayne → Premium Smokeless Coal Company; 1994-11-28 to 1995-05-01; source msha-controller-operator-history
- **operator_operates_mine:** Z & M Inc → Easy Run No 2 Mine; 1995-05-02 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Young John P → Z & M Inc; 1995-05-02 to current/open; source msha-controller-operator-history